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Finding the Fourth Proportional to 220,473.10, 330,708.92 and 60,549.18

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Solution

The fourth proportional to 220,473.10, 330,708.92 and 60,549.18 is: 90,823.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,473.10 : 330,708.92 = 60,549.18 : x
  2. Step 2: Convert to fraction form
    220,473.10/330,708.92 = 60,549.18/x
  3. Step 3: Cross multiply
    220,473.10x = 330,708.92 × 60,549.18
  4. Step 4: Simplify right side
    220,473.10x = 20,024,153,924.69
  5. Step 5: Solve for x
    x = 20,024,153,924.69/220,473.10
  6. Step 6: Final answer
    x = 90,823.57

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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.