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Finding the Fourth Proportional to 65,179.70, 97,769.55 and 50,417.45

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Solution

The fourth proportional to 65,179.70, 97,769.55 and 50,417.45 is: 75,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,179.70 : 97,769.55 = 50,417.45 : x
  2. Step 2: Convert to fraction form
    65,179.70/97,769.55 = 50,417.45/x
  3. Step 3: Cross multiply
    65,179.70x = 97,769.55 × 50,417.45
  4. Step 4: Simplify right side
    65,179.70x = 4,929,291,398.65
  5. Step 5: Solve for x
    x = 4,929,291,398.65/65,179.70
  6. Step 6: Final answer
    x = 75,626.18

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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.