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Finding the Fourth Proportional to 179,503.76, 247,705.10 and 98,931.04

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Solution

The fourth proportional to 179,503.76, 247,705.10 and 98,931.04 is: 136,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,503.76 : 247,705.10 = 98,931.04 : x
  2. Step 2: Convert to fraction form
    179,503.76/247,705.10 = 98,931.04/x
  3. Step 3: Cross multiply
    179,503.76x = 247,705.10 × 98,931.04
  4. Step 4: Simplify right side
    179,503.76x = 24,505,723,156.30
  5. Step 5: Solve for x
    x = 24,505,723,156.30/179,503.76
  6. Step 6: Final answer
    x = 136,519.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.