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Finding the Fourth Proportional to 70,265.32, 96,967.51 and 38,434.91

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Solution

The fourth proportional to 70,265.32, 96,967.51 and 38,434.91 is: 53,040.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,265.32 : 96,967.51 = 38,434.91 : x
  2. Step 2: Convert to fraction form
    70,265.32/96,967.51 = 38,434.91/x
  3. Step 3: Cross multiply
    70,265.32x = 96,967.51 × 38,434.91
  4. Step 4: Simplify right side
    70,265.32x = 3,726,936,938.85
  5. Step 5: Solve for x
    x = 3,726,936,938.85/70,265.32
  6. Step 6: Final answer
    x = 53,040.92

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