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Finding the Fourth Proportional to 227,761.55, 314,313.29 and 125,789.56

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Solution

The fourth proportional to 227,761.55, 314,313.29 and 125,789.56 is: 173,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,761.55 : 314,313.29 = 125,789.56 : x
  2. Step 2: Convert to fraction form
    227,761.55/314,313.29 = 125,789.56/x
  3. Step 3: Cross multiply
    227,761.55x = 314,313.29 × 125,789.56
  4. Step 4: Simplify right side
    227,761.55x = 39,537,329,154.45
  5. Step 5: Solve for x
    x = 39,537,329,154.45/227,761.55
  6. Step 6: Final answer
    x = 173,590.89

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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.