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Finding the Fourth Proportional to 126,041.89, 188,925.28 and 62,044.07

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Solution

The fourth proportional to 126,041.89, 188,925.28 and 62,044.07 is: 92,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,041.89 : 188,925.28 = 62,044.07 : x
  2. Step 2: Convert to fraction form
    126,041.89/188,925.28 = 62,044.07/x
  3. Step 3: Cross multiply
    126,041.89x = 188,925.28 × 62,044.07
  4. Step 4: Simplify right side
    126,041.89x = 11,721,692,986.87
  5. Step 5: Solve for x
    x = 11,721,692,986.87/126,041.89
  6. Step 6: Final answer
    x = 92,998.39

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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.