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Finding the Fourth Proportional to 108,354.84, 149,535.90 and 60,610.20

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Solution

The fourth proportional to 108,354.84, 149,535.90 and 60,610.20 is: 83,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,354.84 : 149,535.90 = 60,610.20 : x
  2. Step 2: Convert to fraction form
    108,354.84/149,535.90 = 60,610.20/x
  3. Step 3: Cross multiply
    108,354.84x = 149,535.90 × 60,610.20
  4. Step 4: Simplify right side
    108,354.84x = 9,063,400,806.18
  5. Step 5: Solve for x
    x = 9,063,400,806.18/108,354.84
  6. Step 6: Final answer
    x = 83,645.56

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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.