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Finding the Fourth Proportional to 73,306, 109,959 and 26,558.88

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Solution

The fourth proportional to 73,306, 109,959 and 26,558.88 is: 39,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,306 : 109,959 = 26,558.88 : x
  2. Step 2: Convert to fraction form
    73,306/109,959 = 26,558.88/x
  3. Step 3: Cross multiply
    73,306x = 109,959 × 26,558.88
  4. Step 4: Simplify right side
    73,306x = 2,920,387,885.92
  5. Step 5: Solve for x
    x = 2,920,387,885.92/73,306
  6. Step 6: Final answer
    x = 39,838.32

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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.