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Finding the Fourth Proportional to 104,924.57, 144,760.37 and 64,073.78

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Solution

The fourth proportional to 104,924.57, 144,760.37 and 64,073.78 is: 88,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,924.57 : 144,760.37 = 64,073.78 : x
  2. Step 2: Convert to fraction form
    104,924.57/144,760.37 = 64,073.78/x
  3. Step 3: Cross multiply
    104,924.57x = 144,760.37 × 64,073.78
  4. Step 4: Simplify right side
    104,924.57x = 9,275,344,413.06
  5. Step 5: Solve for x
    x = 9,275,344,413.06/104,924.57
  6. Step 6: Final answer
    x = 88,400.12

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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.