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Finding the Fourth Proportional to 227,286.51, 313,648.59 and 123,916.74

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Solution

The fourth proportional to 227,286.51, 313,648.59 and 123,916.74 is: 171,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,286.51 : 313,648.59 = 123,916.74 : x
  2. Step 2: Convert to fraction form
    227,286.51/313,648.59 = 123,916.74/x
  3. Step 3: Cross multiply
    227,286.51x = 313,648.59 × 123,916.74
  4. Step 4: Simplify right side
    227,286.51x = 38,866,310,778.40
  5. Step 5: Solve for x
    x = 38,866,310,778.40/227,286.51
  6. Step 6: Final answer
    x = 171,001.40

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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.