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Finding the Fourth Proportional to 65,109.41, 97,671.92 and 22,980.79

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Solution

The fourth proportional to 65,109.41, 97,671.92 and 22,980.79 is: 34,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,109.41 : 97,671.92 = 22,980.79 : x
  2. Step 2: Convert to fraction form
    65,109.41/97,671.92 = 22,980.79/x
  3. Step 3: Cross multiply
    65,109.41x = 97,671.92 × 22,980.79
  4. Step 4: Simplify right side
    65,109.41x = 2,244,577,882.42
  5. Step 5: Solve for x
    x = 2,244,577,882.42/65,109.41
  6. Step 6: Final answer
    x = 34,473.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.