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Finding the Fourth Proportional to 124,523.87, 171,842.72 and 67,935.24

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Solution

The fourth proportional to 124,523.87, 171,842.72 and 67,935.24 is: 93,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,523.87 : 171,842.72 = 67,935.24 : x
  2. Step 2: Convert to fraction form
    124,523.87/171,842.72 = 67,935.24/x
  3. Step 3: Cross multiply
    124,523.87x = 171,842.72 × 67,935.24
  4. Step 4: Simplify right side
    124,523.87x = 11,674,176,085.78
  5. Step 5: Solve for x
    x = 11,674,176,085.78/124,523.87
  6. Step 6: Final answer
    x = 93,750.51

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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.