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Finding the Fourth Proportional to 70,362.67, 97,096.03 and 38,531.95

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Solution

The fourth proportional to 70,362.67, 97,096.03 and 38,531.95 is: 53,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,362.67 : 97,096.03 = 38,531.95 : x
  2. Step 2: Convert to fraction form
    70,362.67/97,096.03 = 38,531.95/x
  3. Step 3: Cross multiply
    70,362.67x = 97,096.03 × 38,531.95
  4. Step 4: Simplify right side
    70,362.67x = 3,741,299,373.16
  5. Step 5: Solve for x
    x = 3,741,299,373.16/70,362.67
  6. Step 6: Final answer
    x = 53,171.65

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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.