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Finding the Fourth Proportional to 108,432.66, 162,695.51 and 41,919.50

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Solution

The fourth proportional to 108,432.66, 162,695.51 and 41,919.50 is: 62,897.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,432.66 : 162,695.51 = 41,919.50 : x
  2. Step 2: Convert to fraction form
    108,432.66/162,695.51 = 41,919.50/x
  3. Step 3: Cross multiply
    108,432.66x = 162,695.51 × 41,919.50
  4. Step 4: Simplify right side
    108,432.66x = 6,820,114,431.45
  5. Step 5: Solve for x
    x = 6,820,114,431.45/108,432.66
  6. Step 6: Final answer
    x = 62,897.23

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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.