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Finding the Fourth Proportional to 363,447.09, 545,170.50 and 97,200.69

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Solution

The fourth proportional to 363,447.09, 545,170.50 and 97,200.69 is: 145,801.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,447.09 : 545,170.50 = 97,200.69 : x
  2. Step 2: Convert to fraction form
    363,447.09/545,170.50 = 97,200.69/x
  3. Step 3: Cross multiply
    363,447.09x = 545,170.50 × 97,200.69
  4. Step 4: Simplify right side
    363,447.09x = 52,990,948,767.65
  5. Step 5: Solve for x
    x = 52,990,948,767.65/363,447.09
  6. Step 6: Final answer
    x = 145,801.00

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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.