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Finding the Fourth Proportional to 224,744.40, 336,943.80 and 126,248.40

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Solution

The fourth proportional to 224,744.40, 336,943.80 and 126,248.40 is: 189,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,744.40 : 336,943.80 = 126,248.40 : x
  2. Step 2: Convert to fraction form
    224,744.40/336,943.80 = 126,248.40/x
  3. Step 3: Cross multiply
    224,744.40x = 336,943.80 × 126,248.40
  4. Step 4: Simplify right side
    224,744.40x = 42,538,615,639.92
  5. Step 5: Solve for x
    x = 42,538,615,639.92/224,744.40
  6. Step 6: Final answer
    x = 189,275.53

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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.