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Finding the Fourth Proportional to 98,508.48, 147,854.88 and 48,644.88

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Solution

The fourth proportional to 98,508.48, 147,854.88 and 48,644.88 is: 73,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,508.48 : 147,854.88 = 48,644.88 : x
  2. Step 2: Convert to fraction form
    98,508.48/147,854.88 = 48,644.88/x
  3. Step 3: Cross multiply
    98,508.48x = 147,854.88 × 48,644.88
  4. Step 4: Simplify right side
    98,508.48x = 7,192,382,895.01
  5. Step 5: Solve for x
    x = 7,192,382,895.01/98,508.48
  6. Step 6: Final answer
    x = 73,012.83

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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.