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Finding the Fourth Proportional to 363,507.03, 545,267.82 and 97,267.11

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Solution

The fourth proportional to 363,507.03, 545,267.82 and 97,267.11 is: 145,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,507.03 : 545,267.82 = 97,267.11 : x
  2. Step 2: Convert to fraction form
    363,507.03/545,267.82 = 97,267.11/x
  3. Step 3: Cross multiply
    363,507.03x = 545,267.82 × 97,267.11
  4. Step 4: Simplify right side
    363,507.03x = 53,036,625,027.40
  5. Step 5: Solve for x
    x = 53,036,625,027.40/363,507.03
  6. Step 6: Final answer
    x = 145,902.61

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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.