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Finding the Fourth Proportional to 363,445.92, 545,168.75 and 97,199.52

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Solution

The fourth proportional to 363,445.92, 545,168.75 and 97,199.52 is: 145,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,445.92 : 545,168.75 = 97,199.52 : x
  2. Step 2: Convert to fraction form
    363,445.92/545,168.75 = 97,199.52/x
  3. Step 3: Cross multiply
    363,445.92x = 545,168.75 × 97,199.52
  4. Step 4: Simplify right side
    363,445.92x = 52,990,137,607.16
  5. Step 5: Solve for x
    x = 52,990,137,607.16/363,445.92
  6. Step 6: Final answer
    x = 145,799.24

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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.