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Finding the Fourth Proportional to 124,318.56, 171,562.95 and 67,733.58

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Solution

The fourth proportional to 124,318.56, 171,562.95 and 67,733.58 is: 93,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,318.56 : 171,562.95 = 67,733.58 : x
  2. Step 2: Convert to fraction form
    124,318.56/171,562.95 = 67,733.58/x
  3. Step 3: Cross multiply
    124,318.56x = 171,562.95 × 67,733.58
  4. Step 4: Simplify right side
    124,318.56x = 11,620,572,798.86
  5. Step 5: Solve for x
    x = 11,620,572,798.86/124,318.56
  6. Step 6: Final answer
    x = 93,474.16

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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.