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Finding the Fourth Proportional to 70,167.89, 105,293.34 and 25,825.79

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Solution

The fourth proportional to 70,167.89, 105,293.34 and 25,825.79 is: 38,753.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,167.89 : 105,293.34 = 25,825.79 : x
  2. Step 2: Convert to fraction form
    70,167.89/105,293.34 = 25,825.79/x
  3. Step 3: Cross multiply
    70,167.89x = 105,293.34 × 25,825.79
  4. Step 4: Simplify right side
    70,167.89x = 2,719,283,160.77
  5. Step 5: Solve for x
    x = 2,719,283,160.77/70,167.89
  6. Step 6: Final answer
    x = 38,753.96

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1.5x scale

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.