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Finding the Fourth Proportional to 121,592.64, 182,709.68 and 65,474.24

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Solution

The fourth proportional to 121,592.64, 182,709.68 and 65,474.24 is: 98,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,592.64 : 182,709.68 = 65,474.24 : x
  2. Step 2: Convert to fraction form
    121,592.64/182,709.68 = 65,474.24/x
  3. Step 3: Cross multiply
    121,592.64x = 182,709.68 × 65,474.24
  4. Step 4: Simplify right side
    121,592.64x = 11,962,777,438.64
  5. Step 5: Solve for x
    x = 11,962,777,438.64/121,592.64
  6. Step 6: Final answer
    x = 98,384.06

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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.