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Finding the Fourth Proportional to 108,287.82, 149,441.85 and 60,541.16

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Solution

The fourth proportional to 108,287.82, 149,441.85 and 60,541.16 is: 83,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,287.82 : 149,441.85 = 60,541.16 : x
  2. Step 2: Convert to fraction form
    108,287.82/149,441.85 = 60,541.16/x
  3. Step 3: Cross multiply
    108,287.82x = 149,441.85 × 60,541.16
  4. Step 4: Simplify right side
    108,287.82x = 9,047,382,204.34
  5. Step 5: Solve for x
    x = 9,047,382,204.34/108,287.82
  6. Step 6: Final answer
    x = 83,549.40

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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.