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Finding the Fourth Proportional to 123,957.72, 171,061.14 and 70,252.92

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Solution

The fourth proportional to 123,957.72, 171,061.14 and 70,252.92 is: 96,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,957.72 : 171,061.14 = 70,252.92 : x
  2. Step 2: Convert to fraction form
    123,957.72/171,061.14 = 70,252.92/x
  3. Step 3: Cross multiply
    123,957.72x = 171,061.14 × 70,252.92
  4. Step 4: Simplify right side
    123,957.72x = 12,017,544,583.53
  5. Step 5: Solve for x
    x = 12,017,544,583.53/123,957.72
  6. Step 6: Final answer
    x = 96,948.74

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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.