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Finding the Fourth Proportional to 243,983.85, 366,010.75 and 75,518.97

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Solution

The fourth proportional to 243,983.85, 366,010.75 and 75,518.97 is: 113,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,983.85 : 366,010.75 = 75,518.97 : x
  2. Step 2: Convert to fraction form
    243,983.85/366,010.75 = 75,518.97/x
  3. Step 3: Cross multiply
    243,983.85x = 366,010.75 × 75,518.97
  4. Step 4: Simplify right side
    243,983.85x = 27,640,754,848.93
  5. Step 5: Solve for x
    x = 27,640,754,848.93/243,983.85
  6. Step 6: Final answer
    x = 113,289.28

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1.5x scale

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.