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Finding the Fourth Proportional to 70,375.23, 97,119.81 and 38,545.88

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Solution

The fourth proportional to 70,375.23, 97,119.81 and 38,545.88 is: 53,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,375.23 : 97,119.81 = 38,545.88 : x
  2. Step 2: Convert to fraction form
    70,375.23/97,119.81 = 38,545.88/x
  3. Step 3: Cross multiply
    70,375.23x = 97,119.81 × 38,545.88
  4. Step 4: Simplify right side
    70,375.23x = 3,743,568,056.28
  5. Step 5: Solve for x
    x = 3,743,568,056.28/70,375.23
  6. Step 6: Final answer
    x = 53,194.40

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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.