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Finding the Fourth Proportional to 215,202.52, 322,855.60 and 67,458.52

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Solution

The fourth proportional to 215,202.52, 322,855.60 and 67,458.52 is: 101,204.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,202.52 : 322,855.60 = 67,458.52 : x
  2. Step 2: Convert to fraction form
    215,202.52/322,855.60 = 67,458.52/x
  3. Step 3: Cross multiply
    215,202.52x = 322,855.60 × 67,458.52
  4. Step 4: Simplify right side
    215,202.52x = 21,779,360,949.71
  5. Step 5: Solve for x
    x = 21,779,360,949.71/215,202.52
  6. Step 6: Final answer
    x = 101,204.02

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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.