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Finding the Fourth Proportional to 363,319.35, 545,029.26 and 97,088.55

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Solution

The fourth proportional to 363,319.35, 545,029.26 and 97,088.55 is: 145,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,319.35 : 545,029.26 = 97,088.55 : x
  2. Step 2: Convert to fraction form
    363,319.35/545,029.26 = 97,088.55/x
  3. Step 3: Cross multiply
    363,319.35x = 545,029.26 × 97,088.55
  4. Step 4: Simplify right side
    363,319.35x = 52,916,100,560.97
  5. Step 5: Solve for x
    x = 52,916,100,560.97/363,319.35
  6. Step 6: Final answer
    x = 145,646.25

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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.