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Finding the Fourth Proportional to 224,470.40, 336,743.40 and 66,714.80

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Solution

The fourth proportional to 224,470.40, 336,743.40 and 66,714.80 is: 100,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,470.40 : 336,743.40 = 66,714.80 : x
  2. Step 2: Convert to fraction form
    224,470.40/336,743.40 = 66,714.80/x
  3. Step 3: Cross multiply
    224,470.40x = 336,743.40 × 66,714.80
  4. Step 4: Simplify right side
    224,470.40x = 22,465,768,582.32
  5. Step 5: Solve for x
    x = 22,465,768,582.32/224,470.40
  6. Step 6: Final answer
    x = 100,083.43

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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.