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Finding the Fourth Proportional to 132,878.40, 199,274.40 and 44,116.80

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Solution

The fourth proportional to 132,878.40, 199,274.40 and 44,116.80 is: 66,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,878.40 : 199,274.40 = 44,116.80 : x
  2. Step 2: Convert to fraction form
    132,878.40/199,274.40 = 44,116.80/x
  3. Step 3: Cross multiply
    132,878.40x = 199,274.40 × 44,116.80
  4. Step 4: Simplify right side
    132,878.40x = 8,791,348,849.92
  5. Step 5: Solve for x
    x = 8,791,348,849.92/132,878.40
  6. Step 6: Final answer
    x = 66,160.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.