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Finding the Fourth Proportional to 237,372.16, 356,116.48 and 71,160

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Solution

The fourth proportional to 237,372.16, 356,116.48 and 71,160 is: 106,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,372.16 : 356,116.48 = 71,160 : x
  2. Step 2: Convert to fraction form
    237,372.16/356,116.48 = 71,160/x
  3. Step 3: Cross multiply
    237,372.16x = 356,116.48 × 71,160
  4. Step 4: Simplify right side
    237,372.16x = 25,341,248,716.80
  5. Step 5: Solve for x
    x = 25,341,248,716.80/237,372.16
  6. Step 6: Final answer
    x = 106,757.46

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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.