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Finding the Fourth Proportional to 88,309.53, 121,824.32 and 52,474.14

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Solution

The fourth proportional to 88,309.53, 121,824.32 and 52,474.14 is: 72,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,309.53 : 121,824.32 = 52,474.14 : x
  2. Step 2: Convert to fraction form
    88,309.53/121,824.32 = 52,474.14/x
  3. Step 3: Cross multiply
    88,309.53x = 121,824.32 × 52,474.14
  4. Step 4: Simplify right side
    88,309.53x = 6,392,626,160.71
  5. Step 5: Solve for x
    x = 6,392,626,160.71/88,309.53
  6. Step 6: Final answer
    x = 72,388.86

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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.