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Finding the Fourth Proportional to 157,897.80, 237,065.40 and 124,655.40

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Solution

The fourth proportional to 157,897.80, 237,065.40 and 124,655.40 is: 187,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,897.80 : 237,065.40 = 124,655.40 : x
  2. Step 2: Convert to fraction form
    157,897.80/237,065.40 = 124,655.40/x
  3. Step 3: Cross multiply
    157,897.80x = 237,065.40 × 124,655.40
  4. Step 4: Simplify right side
    157,897.80x = 29,551,482,263.16
  5. Step 5: Solve for x
    x = 29,551,482,263.16/157,897.80
  6. Step 6: Final answer
    x = 187,155.76

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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.