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Finding the Fourth Proportional to 108,168.66, 149,301.84 and 62,233.56

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Solution

The fourth proportional to 108,168.66, 149,301.84 and 62,233.56 is: 85,899.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,168.66 : 149,301.84 = 62,233.56 : x
  2. Step 2: Convert to fraction form
    108,168.66/149,301.84 = 62,233.56/x
  3. Step 3: Cross multiply
    108,168.66x = 149,301.84 × 62,233.56
  4. Step 4: Simplify right side
    108,168.66x = 9,291,585,017.75
  5. Step 5: Solve for x
    x = 9,291,585,017.75/108,168.66
  6. Step 6: Final answer
    x = 85,899.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.