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Finding the Fourth Proportional to 86,959.26, 130,464.90 and 49,997.34

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Solution

The fourth proportional to 86,959.26, 130,464.90 and 49,997.34 is: 75,010.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,959.26 : 130,464.90 = 49,997.34 : x
  2. Step 2: Convert to fraction form
    86,959.26/130,464.90 = 49,997.34/x
  3. Step 3: Cross multiply
    86,959.26x = 130,464.90 × 49,997.34
  4. Step 4: Simplify right side
    86,959.26x = 6,522,897,963.37
  5. Step 5: Solve for x
    x = 6,522,897,963.37/86,959.26
  6. Step 6: Final answer
    x = 75,010.96

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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.