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Finding the Fourth Proportional to 363,470.85, 545,163.21 and 97,251.93

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Solution

The fourth proportional to 363,470.85, 545,163.21 and 97,251.93 is: 145,866.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,470.85 : 545,163.21 = 97,251.93 : x
  2. Step 2: Convert to fraction form
    363,470.85/545,163.21 = 97,251.93/x
  3. Step 3: Cross multiply
    363,470.85x = 545,163.21 × 97,251.93
  4. Step 4: Simplify right side
    363,470.85x = 53,018,174,337.50
  5. Step 5: Solve for x
    x = 53,018,174,337.50/363,470.85
  6. Step 6: Final answer
    x = 145,866.37

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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.