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Finding the Fourth Proportional to 224,649,693.40, 336,302,693.70 and 133,726,480.60

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Solution

The fourth proportional to 224,649,693.40, 336,302,693.70 and 133,726,480.60 is: 200,189,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,649,693.40 : 336,302,693.70 = 133,726,480.60 : x
  2. Step 2: Convert to fraction form
    224,649,693.40/336,302,693.70 = 133,726,480.60/x
  3. Step 3: Cross multiply
    224,649,693.40x = 336,302,693.70 × 133,726,480.60
  4. Step 4: Simplify right side
    224,649,693.40x = 44,972,575,644,800,792
  5. Step 5: Solve for x
    x = 44,972,575,644,800,792/224,649,693.40
  6. Step 6: Final answer
    x = 200,189,793.11

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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.