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Finding the Fourth Proportional to 220,389.80, 330,573.15 and 60,454.01

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Solution

The fourth proportional to 220,389.80, 330,573.15 and 60,454.01 is: 90,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,389.80 : 330,573.15 = 60,454.01 : x
  2. Step 2: Convert to fraction form
    220,389.80/330,573.15 = 60,454.01/x
  3. Step 3: Cross multiply
    220,389.80x = 330,573.15 × 60,454.01
  4. Step 4: Simplify right side
    220,389.80x = 19,984,473,342.26
  5. Step 5: Solve for x
    x = 19,984,473,342.26/220,389.80
  6. Step 6: Final answer
    x = 90,677.85

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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.