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Finding the Fourth Proportional to 124,762.94, 187,218.52 and 45,932.52

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Solution

The fourth proportional to 124,762.94, 187,218.52 and 45,932.52 is: 68,926.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,762.94 : 187,218.52 = 45,932.52 : x
  2. Step 2: Convert to fraction form
    124,762.94/187,218.52 = 45,932.52/x
  3. Step 3: Cross multiply
    124,762.94x = 187,218.52 × 45,932.52
  4. Step 4: Simplify right side
    124,762.94x = 8,599,418,414.27
  5. Step 5: Solve for x
    x = 8,599,418,414.27/124,762.94
  6. Step 6: Final answer
    x = 68,926.06

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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.