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Finding the Fourth Proportional to 250,255.60, 375,407.24 and 70,340.56

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Solution

The fourth proportional to 250,255.60, 375,407.24 and 70,340.56 is: 105,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,255.60 : 375,407.24 = 70,340.56 : x
  2. Step 2: Convert to fraction form
    250,255.60/375,407.24 = 70,340.56/x
  3. Step 3: Cross multiply
    250,255.60x = 375,407.24 × 70,340.56
  4. Step 4: Simplify right side
    250,255.60x = 26,406,355,489.65
  5. Step 5: Solve for x
    x = 26,406,355,489.65/250,255.60
  6. Step 6: Final answer
    x = 105,517.54

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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.