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Finding the Fourth Proportional to 124,491.52, 171,796.80 and 67,901.68

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Solution

The fourth proportional to 124,491.52, 171,796.80 and 67,901.68 is: 93,703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,491.52 : 171,796.80 = 67,901.68 : x
  2. Step 2: Convert to fraction form
    124,491.52/171,796.80 = 67,901.68/x
  3. Step 3: Cross multiply
    124,491.52x = 171,796.80 × 67,901.68
  4. Step 4: Simplify right side
    124,491.52x = 11,665,291,338.62
  5. Step 5: Solve for x
    x = 11,665,291,338.62/124,491.52
  6. Step 6: Final answer
    x = 93,703.50

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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.