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Finding the Fourth Proportional to 185,280.87, 255,689.62 and 108,800.88

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Solution

The fourth proportional to 185,280.87, 255,689.62 and 108,800.88 is: 150,146.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,280.87 : 255,689.62 = 108,800.88 : x
  2. Step 2: Convert to fraction form
    185,280.87/255,689.62 = 108,800.88/x
  3. Step 3: Cross multiply
    185,280.87x = 255,689.62 × 108,800.88
  4. Step 4: Simplify right side
    185,280.87x = 27,819,254,432.03
  5. Step 5: Solve for x
    x = 27,819,254,432.03/185,280.87
  6. Step 6: Final answer
    x = 150,146.39

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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.