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Finding the Fourth Proportional to 70,400.44, 97,125.42 and 45,263.80

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Solution

The fourth proportional to 70,400.44, 97,125.42 and 45,263.80 is: 62,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,400.44 : 97,125.42 = 45,263.80 : x
  2. Step 2: Convert to fraction form
    70,400.44/97,125.42 = 45,263.80/x
  3. Step 3: Cross multiply
    70,400.44x = 97,125.42 × 45,263.80
  4. Step 4: Simplify right side
    70,400.44x = 4,396,265,585.80
  5. Step 5: Solve for x
    x = 4,396,265,585.80/70,400.44
  6. Step 6: Final answer
    x = 62,446.56

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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.