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Finding the Fourth Proportional to 124,151.56, 186,244.85 and 39,883.47

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Solution

The fourth proportional to 124,151.56, 186,244.85 and 39,883.47 is: 59,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,151.56 : 186,244.85 = 39,883.47 : x
  2. Step 2: Convert to fraction form
    124,151.56/186,244.85 = 39,883.47/x
  3. Step 3: Cross multiply
    124,151.56x = 186,244.85 × 39,883.47
  4. Step 4: Simplify right side
    124,151.56x = 7,428,090,887.63
  5. Step 5: Solve for x
    x = 7,428,090,887.63/124,151.56
  6. Step 6: Final answer
    x = 59,830.83

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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.