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Finding the Fourth Proportional to 124,640.91, 187,000.70 and 94,798.10

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Solution

The fourth proportional to 124,640.91, 187,000.70 and 94,798.10 is: 142,227.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,640.91 : 187,000.70 = 94,798.10 : x
  2. Step 2: Convert to fraction form
    124,640.91/187,000.70 = 94,798.10/x
  3. Step 3: Cross multiply
    124,640.91x = 187,000.70 × 94,798.10
  4. Step 4: Simplify right side
    124,640.91x = 17,727,309,649.68
  5. Step 5: Solve for x
    x = 17,727,309,649.68/124,640.91
  6. Step 6: Final answer
    x = 142,227.06

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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.