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Finding the Fourth Proportional to 220,583.70, 330,875.55 and 149,724.90

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Solution

The fourth proportional to 220,583.70, 330,875.55 and 149,724.90 is: 224,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,583.70 : 330,875.55 = 149,724.90 : x
  2. Step 2: Convert to fraction form
    220,583.70/330,875.55 = 149,724.90/x
  3. Step 3: Cross multiply
    220,583.70x = 330,875.55 × 149,724.90
  4. Step 4: Simplify right side
    220,583.70x = 49,540,308,636.20
  5. Step 5: Solve for x
    x = 49,540,308,636.20/220,583.70
  6. Step 6: Final answer
    x = 224,587.35

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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.