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Finding the Fourth Proportional to 227,013.71, 313,281.03 and 125,039.54

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Solution

The fourth proportional to 227,013.71, 313,281.03 and 125,039.54 is: 172,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,013.71 : 313,281.03 = 125,039.54 : x
  2. Step 2: Convert to fraction form
    227,013.71/313,281.03 = 125,039.54/x
  3. Step 3: Cross multiply
    227,013.71x = 313,281.03 × 125,039.54
  4. Step 4: Simplify right side
    227,013.71x = 39,172,514,315.52
  5. Step 5: Solve for x
    x = 39,172,514,315.52/227,013.71
  6. Step 6: Final answer
    x = 172,555.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.