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Finding the Fourth Proportional to 108,577.59, 149,774.97 and 63,250.80

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Solution

The fourth proportional to 108,577.59, 149,774.97 and 63,250.80 is: 87,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,577.59 : 149,774.97 = 63,250.80 : x
  2. Step 2: Convert to fraction form
    108,577.59/149,774.97 = 63,250.80/x
  3. Step 3: Cross multiply
    108,577.59x = 149,774.97 × 63,250.80
  4. Step 4: Simplify right side
    108,577.59x = 9,473,386,672.48
  5. Step 5: Solve for x
    x = 9,473,386,672.48/108,577.59
  6. Step 6: Final answer
    x = 87,249.93

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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.