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Finding the Fourth Proportional to 432,158.31, 648,237.45 and 116,615.22

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Solution

The fourth proportional to 432,158.31, 648,237.45 and 116,615.22 is: 174,922.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,158.31 : 648,237.45 = 116,615.22 : x
  2. Step 2: Convert to fraction form
    432,158.31/648,237.45 = 116,615.22/x
  3. Step 3: Cross multiply
    432,158.31x = 648,237.45 × 116,615.22
  4. Step 4: Simplify right side
    432,158.31x = 75,594,352,843.99
  5. Step 5: Solve for x
    x = 75,594,352,843.99/432,158.31
  6. Step 6: Final answer
    x = 174,922.83

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Similar ratio
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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.