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Finding the Fourth Proportional to 224,731.40, 336,924.30 and 126,235.40

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Solution

The fourth proportional to 224,731.40, 336,924.30 and 126,235.40 is: 189,256.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,731.40 : 336,924.30 = 126,235.40 : x
  2. Step 2: Convert to fraction form
    224,731.40/336,924.30 = 126,235.40/x
  3. Step 3: Cross multiply
    224,731.40x = 336,924.30 × 126,235.40
  4. Step 4: Simplify right side
    224,731.40x = 42,531,773,780.22
  5. Step 5: Solve for x
    x = 42,531,773,780.22/224,731.40
  6. Step 6: Final answer
    x = 189,256.04

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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.