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Finding the Fourth Proportional to 108,497.10, 149,626.08 and 74,445.52

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Solution

The fourth proportional to 108,497.10, 149,626.08 and 74,445.52 is: 102,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,497.10 : 149,626.08 = 74,445.52 : x
  2. Step 2: Convert to fraction form
    108,497.10/149,626.08 = 74,445.52/x
  3. Step 3: Cross multiply
    108,497.10x = 149,626.08 × 74,445.52
  4. Step 4: Simplify right side
    108,497.10x = 11,138,991,331.16
  5. Step 5: Solve for x
    x = 11,138,991,331.16/108,497.10
  6. Step 6: Final answer
    x = 102,666.26

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