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Finding the Fourth Proportional to 98,279.50, 135,625.77 and 53,567.50

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Solution

The fourth proportional to 98,279.50, 135,625.77 and 53,567.50 is: 73,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,279.50 : 135,625.77 = 53,567.50 : x
  2. Step 2: Convert to fraction form
    98,279.50/135,625.77 = 53,567.50/x
  3. Step 3: Cross multiply
    98,279.50x = 135,625.77 × 53,567.50
  4. Step 4: Simplify right side
    98,279.50x = 7,265,133,434.48
  5. Step 5: Solve for x
    x = 7,265,133,434.48/98,279.50
  6. Step 6: Final answer
    x = 73,923.18

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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.