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Finding the Fourth Proportional to 108,275.75, 162,410.89 and 29,387.93

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Solution

The fourth proportional to 108,275.75, 162,410.89 and 29,387.93 is: 44,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,275.75 : 162,410.89 = 29,387.93 : x
  2. Step 2: Convert to fraction form
    108,275.75/162,410.89 = 29,387.93/x
  3. Step 3: Cross multiply
    108,275.75x = 162,410.89 × 29,387.93
  4. Step 4: Simplify right side
    108,275.75x = 4,772,919,719.62
  5. Step 5: Solve for x
    x = 4,772,919,719.62/108,275.75
  6. Step 6: Final answer
    x = 44,081.15

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1.5x scale

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.