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Finding the Fourth Proportional to 124,034.59, 171,146.99 and 73,057.47

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Solution

The fourth proportional to 124,034.59, 171,146.99 and 73,057.47 is: 100,807.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,034.59 : 171,146.99 = 73,057.47 : x
  2. Step 2: Convert to fraction form
    124,034.59/171,146.99 = 73,057.47/x
  3. Step 3: Cross multiply
    124,034.59x = 171,146.99 × 73,057.47
  4. Step 4: Simplify right side
    124,034.59x = 12,503,566,087.52
  5. Step 5: Solve for x
    x = 12,503,566,087.52/124,034.59
  6. Step 6: Final answer
    x = 100,807.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.