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Finding the Fourth Proportional to 133,657.47, 200,486.13 and 124,800.13

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Solution

The fourth proportional to 133,657.47, 200,486.13 and 124,800.13 is: 187,200.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,657.47 : 200,486.13 = 124,800.13 : x
  2. Step 2: Convert to fraction form
    133,657.47/200,486.13 = 124,800.13/x
  3. Step 3: Cross multiply
    133,657.47x = 200,486.13 × 124,800.13
  4. Step 4: Simplify right side
    133,657.47x = 25,020,695,087.20
  5. Step 5: Solve for x
    x = 25,020,695,087.20/133,657.47
  6. Step 6: Final answer
    x = 187,200.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.