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Finding the Fourth Proportional to 108,466.44, 149,686.80 and 60,719.52

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Solution

The fourth proportional to 108,466.44, 149,686.80 and 60,719.52 is: 83,794.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,466.44 : 149,686.80 = 60,719.52 : x
  2. Step 2: Convert to fraction form
    108,466.44/149,686.80 = 60,719.52/x
  3. Step 3: Cross multiply
    108,466.44x = 149,686.80 × 60,719.52
  4. Step 4: Simplify right side
    108,466.44x = 9,088,910,646.34
  5. Step 5: Solve for x
    x = 9,088,910,646.34/108,466.44
  6. Step 6: Final answer
    x = 83,794.68

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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.