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Finding the Fourth Proportional to 72,053, 108,079.98 and 22,805

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Solution

The fourth proportional to 72,053, 108,079.98 and 22,805 is: 34,207.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,053 : 108,079.98 = 22,805 : x
  2. Step 2: Convert to fraction form
    72,053/108,079.98 = 22,805/x
  3. Step 3: Cross multiply
    72,053x = 108,079.98 × 22,805
  4. Step 4: Simplify right side
    72,053x = 2,464,763,943.90
  5. Step 5: Solve for x
    x = 2,464,763,943.90/72,053
  6. Step 6: Final answer
    x = 34,207.65

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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.