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Finding the Fourth Proportional to 105,167.64, 157,829.22 and 38,649

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Solution

The fourth proportional to 105,167.64, 157,829.22 and 38,649 is: 58,002.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,167.64 : 157,829.22 = 38,649 : x
  2. Step 2: Convert to fraction form
    105,167.64/157,829.22 = 38,649/x
  3. Step 3: Cross multiply
    105,167.64x = 157,829.22 × 38,649
  4. Step 4: Simplify right side
    105,167.64x = 6,099,941,523.78
  5. Step 5: Solve for x
    x = 6,099,941,523.78/105,167.64
  6. Step 6: Final answer
    x = 58,002.08

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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.