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Finding the Fourth Proportional to 215,367.20, 322,874.16 and 97,003.04

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Solution

The fourth proportional to 215,367.20, 322,874.16 and 97,003.04 is: 145,425.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,367.20 : 322,874.16 = 97,003.04 : x
  2. Step 2: Convert to fraction form
    215,367.20/322,874.16 = 97,003.04/x
  3. Step 3: Cross multiply
    215,367.20x = 322,874.16 × 97,003.04
  4. Step 4: Simplify right side
    215,367.20x = 31,319,775,057.45
  5. Step 5: Solve for x
    x = 31,319,775,057.45/215,367.20
  6. Step 6: Final answer
    x = 145,425.00

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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.