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Finding the Fourth Proportional to 227,125.35, 340,763.85 and 100,748.16

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Solution

The fourth proportional to 227,125.35, 340,763.85 and 100,748.16 is: 151,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,125.35 : 340,763.85 = 100,748.16 : x
  2. Step 2: Convert to fraction form
    227,125.35/340,763.85 = 100,748.16/x
  3. Step 3: Cross multiply
    227,125.35x = 340,763.85 × 100,748.16
  4. Step 4: Simplify right side
    227,125.35x = 34,331,330,882.02
  5. Step 5: Solve for x
    x = 34,331,330,882.02/227,125.35
  6. Step 6: Final answer
    x = 151,155.87

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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.