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Finding the Fourth Proportional to 98,679.61, 148,027.52 and 32,102.47

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Solution

The fourth proportional to 98,679.61, 148,027.52 and 32,102.47 is: 48,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,679.61 : 148,027.52 = 32,102.47 : x
  2. Step 2: Convert to fraction form
    98,679.61/148,027.52 = 32,102.47/x
  3. Step 3: Cross multiply
    98,679.61x = 148,027.52 × 32,102.47
  4. Step 4: Simplify right side
    98,679.61x = 4,752,049,019.97
  5. Step 5: Solve for x
    x = 4,752,049,019.97/98,679.61
  6. Step 6: Final answer
    x = 48,156.34

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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.