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Finding the Fourth Proportional to 179,565.69, 247,797.69 and 99,000.71

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Solution

The fourth proportional to 179,565.69, 247,797.69 and 99,000.71 is: 136,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,565.69 : 247,797.69 = 99,000.71 : x
  2. Step 2: Convert to fraction form
    179,565.69/247,797.69 = 99,000.71/x
  3. Step 3: Cross multiply
    179,565.69x = 247,797.69 × 99,000.71
  4. Step 4: Simplify right side
    179,565.69x = 24,532,146,564.53
  5. Step 5: Solve for x
    x = 24,532,146,564.53/179,565.69
  6. Step 6: Final answer
    x = 136,619.35

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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.