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Finding the Fourth Proportional to 70,347.96, 97,082.63 and 38,517.08

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Solution

The fourth proportional to 70,347.96, 97,082.63 and 38,517.08 is: 53,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,347.96 : 97,082.63 = 38,517.08 : x
  2. Step 2: Convert to fraction form
    70,347.96/97,082.63 = 38,517.08/x
  3. Step 3: Cross multiply
    70,347.96x = 97,082.63 × 38,517.08
  4. Step 4: Simplify right side
    70,347.96x = 3,739,338,748.32
  5. Step 5: Solve for x
    x = 3,739,338,748.32/70,347.96
  6. Step 6: Final answer
    x = 53,154.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.