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Finding the Fourth Proportional to 114,404, 171,631.92 and 40,532

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Solution

The fourth proportional to 114,404, 171,631.92 and 40,532 is: 60,807.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,404 : 171,631.92 = 40,532 : x
  2. Step 2: Convert to fraction form
    114,404/171,631.92 = 40,532/x
  3. Step 3: Cross multiply
    114,404x = 171,631.92 × 40,532
  4. Step 4: Simplify right side
    114,404x = 6,956,584,981.44
  5. Step 5: Solve for x
    x = 6,956,584,981.44/114,404
  6. Step 6: Final answer
    x = 60,807.18

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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.