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Finding the Fourth Proportional to 98,262.76, 135,602.74 and 53,550.76

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Solution

The fourth proportional to 98,262.76, 135,602.74 and 53,550.76 is: 73,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,262.76 : 135,602.74 = 53,550.76 : x
  2. Step 2: Convert to fraction form
    98,262.76/135,602.74 = 53,550.76/x
  3. Step 3: Cross multiply
    98,262.76x = 135,602.74 × 53,550.76
  4. Step 4: Simplify right side
    98,262.76x = 7,261,629,785.08
  5. Step 5: Solve for x
    x = 7,261,629,785.08/98,262.76
  6. Step 6: Final answer
    x = 73,900.12

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.