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Finding the Fourth Proportional to 185,312.32, 255,732.60 and 108,811.60

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Solution

The fourth proportional to 185,312.32, 255,732.60 and 108,811.60 is: 150,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,312.32 : 255,732.60 = 108,811.60 : x
  2. Step 2: Convert to fraction form
    185,312.32/255,732.60 = 108,811.60/x
  3. Step 3: Cross multiply
    185,312.32x = 255,732.60 × 108,811.60
  4. Step 4: Simplify right side
    185,312.32x = 27,826,673,378.16
  5. Step 5: Solve for x
    x = 27,826,673,378.16/185,312.32
  6. Step 6: Final answer
    x = 150,160.95

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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.