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Finding the Fourth Proportional to 179,416, 247,594.08 and 99,928

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Solution

The fourth proportional to 179,416, 247,594.08 and 99,928 is: 137,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,416 : 247,594.08 = 99,928 : x
  2. Step 2: Convert to fraction form
    179,416/247,594.08 = 99,928/x
  3. Step 3: Cross multiply
    179,416x = 247,594.08 × 99,928
  4. Step 4: Simplify right side
    179,416x = 24,741,581,226.24
  5. Step 5: Solve for x
    x = 24,741,581,226.24/179,416
  6. Step 6: Final answer
    x = 137,900.64

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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.