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Finding the Fourth Proportional to 224,481,374.40, 336,722,061.60 and 127,399,569.60

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Solution

The fourth proportional to 224,481,374.40, 336,722,061.60 and 127,399,569.60 is: 191,099,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,481,374.40 : 336,722,061.60 = 127,399,569.60 : x
  2. Step 2: Convert to fraction form
    224,481,374.40/336,722,061.60 = 127,399,569.60/x
  3. Step 3: Cross multiply
    224,481,374.40x = 336,722,061.60 × 127,399,569.60
  4. Step 4: Simplify right side
    224,481,374.40x = 42,898,245,722,664,688
  5. Step 5: Solve for x
    x = 42,898,245,722,664,688/224,481,374.40
  6. Step 6: Final answer
    x = 191,099,354.40

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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.