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Finding the Fourth Proportional to 70,171.07, 96,837.53 and 38,342.07

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Solution

The fourth proportional to 70,171.07, 96,837.53 and 38,342.07 is: 52,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,171.07 : 96,837.53 = 38,342.07 : x
  2. Step 2: Convert to fraction form
    70,171.07/96,837.53 = 38,342.07/x
  3. Step 3: Cross multiply
    70,171.07x = 96,837.53 × 38,342.07
  4. Step 4: Simplify right side
    70,171.07x = 3,712,951,162.18
  5. Step 5: Solve for x
    x = 3,712,951,162.18/70,171.07
  6. Step 6: Final answer
    x = 52,912.85

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1.5x scale

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.