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Finding the Fourth Proportional to 251,444.80, 377,167.20 and 93,640.60

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Solution

The fourth proportional to 251,444.80, 377,167.20 and 93,640.60 is: 140,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,444.80 : 377,167.20 = 93,640.60 : x
  2. Step 2: Convert to fraction form
    251,444.80/377,167.20 = 93,640.60/x
  3. Step 3: Cross multiply
    251,444.80x = 377,167.20 × 93,640.60
  4. Step 4: Simplify right side
    251,444.80x = 35,318,162,908.32
  5. Step 5: Solve for x
    x = 35,318,162,908.32/251,444.80
  6. Step 6: Final answer
    x = 140,460.90

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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.