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Finding the Fourth Proportional to 157,612.50, 217,505.25 and 101,024.01

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Solution

The fourth proportional to 157,612.50, 217,505.25 and 101,024.01 is: 139,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,612.50 : 217,505.25 = 101,024.01 : x
  2. Step 2: Convert to fraction form
    157,612.50/217,505.25 = 101,024.01/x
  3. Step 3: Cross multiply
    157,612.50x = 217,505.25 × 101,024.01
  4. Step 4: Simplify right side
    157,612.50x = 21,973,252,551.05
  5. Step 5: Solve for x
    x = 21,973,252,551.05/157,612.50
  6. Step 6: Final answer
    x = 139,413.13

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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.