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Finding the Fourth Proportional to 154,650.08, 232,064.32 and 83,572.88

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Solution

The fourth proportional to 154,650.08, 232,064.32 and 83,572.88 is: 125,407.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,650.08 : 232,064.32 = 83,572.88 : x
  2. Step 2: Convert to fraction form
    154,650.08/232,064.32 = 83,572.88/x
  3. Step 3: Cross multiply
    154,650.08x = 232,064.32 × 83,572.88
  4. Step 4: Simplify right side
    154,650.08x = 19,394,283,567.64
  5. Step 5: Solve for x
    x = 19,394,283,567.64/154,650.08
  6. Step 6: Final answer
    x = 125,407.52

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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.