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Finding the Fourth Proportional to 227,253.94, 340,880.91 and 87,012.56

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Solution

The fourth proportional to 227,253.94, 340,880.91 and 87,012.56 is: 130,518.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,253.94 : 340,880.91 = 87,012.56 : x
  2. Step 2: Convert to fraction form
    227,253.94/340,880.91 = 87,012.56/x
  3. Step 3: Cross multiply
    227,253.94x = 340,880.91 × 87,012.56
  4. Step 4: Simplify right side
    227,253.94x = 29,660,921,160.13
  5. Step 5: Solve for x
    x = 29,660,921,160.13/227,253.94
  6. Step 6: Final answer
    x = 130,518.84

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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.