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Finding the Fourth Proportional to 98,248.44, 147,390.48 and 56,175.96

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Solution

The fourth proportional to 98,248.44, 147,390.48 and 56,175.96 is: 84,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,248.44 : 147,390.48 = 56,175.96 : x
  2. Step 2: Convert to fraction form
    98,248.44/147,390.48 = 56,175.96/x
  3. Step 3: Cross multiply
    98,248.44x = 147,390.48 × 56,175.96
  4. Step 4: Simplify right side
    98,248.44x = 8,279,801,708.86
  5. Step 5: Solve for x
    x = 8,279,801,708.86/98,248.44
  6. Step 6: Final answer
    x = 84,274.13

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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.