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Finding the Fourth Proportional to 114,119.62, 171,252.87 and 61,565.38

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Solution

The fourth proportional to 114,119.62, 171,252.87 and 61,565.38 is: 92,387.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,119.62 : 171,252.87 = 61,565.38 : x
  2. Step 2: Convert to fraction form
    114,119.62/171,252.87 = 61,565.38/x
  3. Step 3: Cross multiply
    114,119.62x = 171,252.87 × 61,565.38
  4. Step 4: Simplify right side
    114,119.62x = 10,543,248,017.64
  5. Step 5: Solve for x
    x = 10,543,248,017.64/114,119.62
  6. Step 6: Final answer
    x = 92,387.69

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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.