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Finding the Fourth Proportional to 70,377.35, 97,122.31 and 40,162.07

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Solution

The fourth proportional to 70,377.35, 97,122.31 and 40,162.07 is: 55,424.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,377.35 : 97,122.31 = 40,162.07 : x
  2. Step 2: Convert to fraction form
    70,377.35/97,122.31 = 40,162.07/x
  3. Step 3: Cross multiply
    70,377.35x = 97,122.31 × 40,162.07
  4. Step 4: Simplify right side
    70,377.35x = 3,900,632,426.76
  5. Step 5: Solve for x
    x = 3,900,632,426.76/70,377.35
  6. Step 6: Final answer
    x = 55,424.55

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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.