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Finding the Fourth Proportional to 247,672.32, 371,561.28 and 70,233.60

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Solution

The fourth proportional to 247,672.32, 371,561.28 and 70,233.60 is: 105,365.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,672.32 : 371,561.28 = 70,233.60 : x
  2. Step 2: Convert to fraction form
    247,672.32/371,561.28 = 70,233.60/x
  3. Step 3: Cross multiply
    247,672.32x = 371,561.28 × 70,233.60
  4. Step 4: Simplify right side
    247,672.32x = 26,096,086,315.01
  5. Step 5: Solve for x
    x = 26,096,086,315.01/247,672.32
  6. Step 6: Final answer
    x = 105,365.37

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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.