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Finding the Fourth Proportional to 73,149.82, 109,713.51 and 23,223.44

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Solution

The fourth proportional to 73,149.82, 109,713.51 and 23,223.44 is: 34,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,149.82 : 109,713.51 = 23,223.44 : x
  2. Step 2: Convert to fraction form
    73,149.82/109,713.51 = 23,223.44/x
  3. Step 3: Cross multiply
    73,149.82x = 109,713.51 × 23,223.44
  4. Step 4: Simplify right side
    73,149.82x = 2,547,925,116.67
  5. Step 5: Solve for x
    x = 2,547,925,116.67/73,149.82
  6. Step 6: Final answer
    x = 34,831.60

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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.