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Finding the Fourth Proportional to 108,507.26, 149,752.80 and 60,751.38

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Solution

The fourth proportional to 108,507.26, 149,752.80 and 60,751.38 is: 83,844.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,507.26 : 149,752.80 = 60,751.38 : x
  2. Step 2: Convert to fraction form
    108,507.26/149,752.80 = 60,751.38/x
  3. Step 3: Cross multiply
    108,507.26x = 149,752.80 × 60,751.38
  4. Step 4: Simplify right side
    108,507.26x = 9,097,689,258.86
  5. Step 5: Solve for x
    x = 9,097,689,258.86/108,507.26
  6. Step 6: Final answer
    x = 83,844.06

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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.