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Finding the Fourth Proportional to 108,164.80, 149,265.84 and 60,418.80

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Solution

The fourth proportional to 108,164.80, 149,265.84 and 60,418.80 is: 83,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,164.80 : 149,265.84 = 60,418.80 : x
  2. Step 2: Convert to fraction form
    108,164.80/149,265.84 = 60,418.80/x
  3. Step 3: Cross multiply
    108,164.80x = 149,265.84 × 60,418.80
  4. Step 4: Simplify right side
    108,164.80x = 9,018,462,933.79
  5. Step 5: Solve for x
    x = 9,018,462,933.79/108,164.80
  6. Step 6: Final answer
    x = 83,377.06

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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.