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Finding the Fourth Proportional to 185,671.81, 256,231.18 and 113,078.13

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Solution

The fourth proportional to 185,671.81, 256,231.18 and 113,078.13 is: 156,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,671.81 : 256,231.18 = 113,078.13 : x
  2. Step 2: Convert to fraction form
    185,671.81/256,231.18 = 113,078.13/x
  3. Step 3: Cross multiply
    185,671.81x = 256,231.18 × 113,078.13
  4. Step 4: Simplify right side
    185,671.81x = 28,974,141,862.57
  5. Step 5: Solve for x
    x = 28,974,141,862.57/185,671.81
  6. Step 6: Final answer
    x = 156,050.30

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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.