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Finding the Fourth Proportional to 70,201.82, 96,875.15 and 38,370.74

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Solution

The fourth proportional to 70,201.82, 96,875.15 and 38,370.74 is: 52,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,201.82 : 96,875.15 = 38,370.74 : x
  2. Step 2: Convert to fraction form
    70,201.82/96,875.15 = 38,370.74/x
  3. Step 3: Cross multiply
    70,201.82x = 96,875.15 × 38,370.74
  4. Step 4: Simplify right side
    70,201.82x = 3,717,170,516.88
  5. Step 5: Solve for x
    x = 3,717,170,516.88/70,201.82
  6. Step 6: Final answer
    x = 52,949.77

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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.