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Finding the Fourth Proportional to 363,393.61, 545,048.89 and 97,174.89

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Solution

The fourth proportional to 363,393.61, 545,048.89 and 97,174.89 is: 145,751.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,393.61 : 545,048.89 = 97,174.89 : x
  2. Step 2: Convert to fraction form
    363,393.61/545,048.89 = 97,174.89/x
  3. Step 3: Cross multiply
    363,393.61x = 545,048.89 × 97,174.89
  4. Step 4: Simplify right side
    363,393.61x = 52,965,065,687.43
  5. Step 5: Solve for x
    x = 52,965,065,687.43/363,393.61
  6. Step 6: Final answer
    x = 145,751.23

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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.