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Finding the Fourth Proportional to 363,687.60, 545,531.04 and 97,440.84

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Solution

The fourth proportional to 363,687.60, 545,531.04 and 97,440.84 is: 146,161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,687.60 : 545,531.04 = 97,440.84 : x
  2. Step 2: Convert to fraction form
    363,687.60/545,531.04 = 97,440.84/x
  3. Step 3: Cross multiply
    363,687.60x = 545,531.04 × 97,440.84
  4. Step 4: Simplify right side
    363,687.60x = 53,157,002,783.67
  5. Step 5: Solve for x
    x = 53,157,002,783.67/363,687.60
  6. Step 6: Final answer
    x = 146,161.16

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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.