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Finding the Fourth Proportional to 98,332.48, 135,699.12 and 53,620.48

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Solution

The fourth proportional to 98,332.48, 135,699.12 and 53,620.48 is: 73,996.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,332.48 : 135,699.12 = 53,620.48 : x
  2. Step 2: Convert to fraction form
    98,332.48/135,699.12 = 53,620.48/x
  3. Step 3: Cross multiply
    98,332.48x = 135,699.12 × 53,620.48
  4. Step 4: Simplify right side
    98,332.48x = 7,276,251,949.98
  5. Step 5: Solve for x
    x = 7,276,251,949.98/98,332.48
  6. Step 6: Final answer
    x = 73,996.42

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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.