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Finding the Fourth Proportional to 98,750.56, 148,141.20 and 32,175.20

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Solution

The fourth proportional to 98,750.56, 148,141.20 and 32,175.20 is: 48,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,750.56 : 148,141.20 = 32,175.20 : x
  2. Step 2: Convert to fraction form
    98,750.56/148,141.20 = 32,175.20/x
  3. Step 3: Cross multiply
    98,750.56x = 148,141.20 × 32,175.20
  4. Step 4: Simplify right side
    98,750.56x = 4,766,472,738.24
  5. Step 5: Solve for x
    x = 4,766,472,738.24/98,750.56
  6. Step 6: Final answer
    x = 48,267.80

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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.