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Finding the Fourth Proportional to 227,720.70, 314,246.52 and 125,744.40

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Solution

The fourth proportional to 227,720.70, 314,246.52 and 125,744.40 is: 173,522.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,720.70 : 314,246.52 = 125,744.40 : x
  2. Step 2: Convert to fraction form
    227,720.70/314,246.52 = 125,744.40/x
  3. Step 3: Cross multiply
    227,720.70x = 314,246.52 × 125,744.40
  4. Step 4: Simplify right side
    227,720.70x = 39,514,740,109.49
  5. Step 5: Solve for x
    x = 39,514,740,109.49/227,720.70
  6. Step 6: Final answer
    x = 173,522.83

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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.