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Finding the Fourth Proportional to 179,568.32, 247,793.16 and 98,991.68

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Solution

The fourth proportional to 179,568.32, 247,793.16 and 98,991.68 is: 136,602.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,568.32 : 247,793.16 = 98,991.68 : x
  2. Step 2: Convert to fraction form
    179,568.32/247,793.16 = 98,991.68/x
  3. Step 3: Cross multiply
    179,568.32x = 247,793.16 × 98,991.68
  4. Step 4: Simplify right side
    179,568.32x = 24,529,461,200.91
  5. Step 5: Solve for x
    x = 24,529,461,200.91/179,568.32
  6. Step 6: Final answer
    x = 136,602.39

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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.