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Finding the Fourth Proportional to 227,099.14, 340,701.48 and 77,340.72

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Solution

The fourth proportional to 227,099.14, 340,701.48 and 77,340.72 is: 116,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,099.14 : 340,701.48 = 77,340.72 : x
  2. Step 2: Convert to fraction form
    227,099.14/340,701.48 = 77,340.72/x
  3. Step 3: Cross multiply
    227,099.14x = 340,701.48 × 77,340.72
  4. Step 4: Simplify right side
    227,099.14x = 26,350,098,937.14
  5. Step 5: Solve for x
    x = 26,350,098,937.14/227,099.14
  6. Step 6: Final answer
    x = 116,029.05

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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.