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Finding the Fourth Proportional to 61,632.59, 92,003.03 and 54,159.21

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Solution

The fourth proportional to 61,632.59, 92,003.03 and 54,159.21 is: 80,847.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,632.59 : 92,003.03 = 54,159.21 : x
  2. Step 2: Convert to fraction form
    61,632.59/92,003.03 = 54,159.21/x
  3. Step 3: Cross multiply
    61,632.59x = 92,003.03 × 54,159.21
  4. Step 4: Simplify right side
    61,632.59x = 4,982,811,354.71
  5. Step 5: Solve for x
    x = 4,982,811,354.71/61,632.59
  6. Step 6: Final answer
    x = 80,847.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.