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Finding the Fourth Proportional to 97,079.92, 145,619.94 and 26,959.24

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Solution

The fourth proportional to 97,079.92, 145,619.94 and 26,959.24 is: 40,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,079.92 : 145,619.94 = 26,959.24 : x
  2. Step 2: Convert to fraction form
    97,079.92/145,619.94 = 26,959.24/x
  3. Step 3: Cross multiply
    97,079.92x = 145,619.94 × 26,959.24
  4. Step 4: Simplify right side
    97,079.92x = 3,925,802,911.25
  5. Step 5: Solve for x
    x = 3,925,802,911.25/97,079.92
  6. Step 6: Final answer
    x = 40,438.88

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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.