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Finding the Fourth Proportional to 108,649.44, 149,934.88 and 60,902.72

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Solution

The fourth proportional to 108,649.44, 149,934.88 and 60,902.72 is: 84,045.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,649.44 : 149,934.88 = 60,902.72 : x
  2. Step 2: Convert to fraction form
    108,649.44/149,934.88 = 60,902.72/x
  3. Step 3: Cross multiply
    108,649.44x = 149,934.88 × 60,902.72
  4. Step 4: Simplify right side
    108,649.44x = 9,131,442,014.87
  5. Step 5: Solve for x
    x = 9,131,442,014.87/108,649.44
  6. Step 6: Final answer
    x = 84,045.00

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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.