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Finding the Fourth Proportional to 69,334.68, 95,722.92 and 45,503.04

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Solution

The fourth proportional to 69,334.68, 95,722.92 and 45,503.04 is: 62,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,334.68 : 95,722.92 = 45,503.04 : x
  2. Step 2: Convert to fraction form
    69,334.68/95,722.92 = 45,503.04/x
  3. Step 3: Cross multiply
    69,334.68x = 95,722.92 × 45,503.04
  4. Step 4: Simplify right side
    69,334.68x = 4,355,683,857.68
  5. Step 5: Solve for x
    x = 4,355,683,857.68/69,334.68
  6. Step 6: Final answer
    x = 62,821.14

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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.