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Finding the Fourth Proportional to 108,637.89, 162,950.49 and 29,746.32

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Solution

The fourth proportional to 108,637.89, 162,950.49 and 29,746.32 is: 44,617.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,637.89 : 162,950.49 = 29,746.32 : x
  2. Step 2: Convert to fraction form
    108,637.89/162,950.49 = 29,746.32/x
  3. Step 3: Cross multiply
    108,637.89x = 162,950.49 × 29,746.32
  4. Step 4: Simplify right side
    108,637.89x = 4,847,177,419.70
  5. Step 5: Solve for x
    x = 4,847,177,419.70/108,637.89
  6. Step 6: Final answer
    x = 44,617.74

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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.