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Finding the Fourth Proportional to 127,854.59, 191,781.74 and 34,360.34

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Solution

The fourth proportional to 127,854.59, 191,781.74 and 34,360.34 is: 51,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,854.59 : 191,781.74 = 34,360.34 : x
  2. Step 2: Convert to fraction form
    127,854.59/191,781.74 = 34,360.34/x
  3. Step 3: Cross multiply
    127,854.59x = 191,781.74 × 34,360.34
  4. Step 4: Simplify right side
    127,854.59x = 6,589,684,919.18
  5. Step 5: Solve for x
    x = 6,589,684,919.18/127,854.59
  6. Step 6: Final answer
    x = 51,540.47

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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.