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Finding the Fourth Proportional to 70,374.48, 97,119.10 and 38,545.12

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Solution

The fourth proportional to 70,374.48, 97,119.10 and 38,545.12 is: 53,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,374.48 : 97,119.10 = 38,545.12 : x
  2. Step 2: Convert to fraction form
    70,374.48/97,119.10 = 38,545.12/x
  3. Step 3: Cross multiply
    70,374.48x = 97,119.10 × 38,545.12
  4. Step 4: Simplify right side
    70,374.48x = 3,743,467,363.79
  5. Step 5: Solve for x
    x = 3,743,467,363.79/70,374.48
  6. Step 6: Final answer
    x = 53,193.53

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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.