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Finding the Fourth Proportional to 367,026.98, 550,481.53 and 100,725.30

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Solution

The fourth proportional to 367,026.98, 550,481.53 and 100,725.30 is: 151,071.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,026.98 : 550,481.53 = 100,725.30 : x
  2. Step 2: Convert to fraction form
    367,026.98/550,481.53 = 100,725.30/x
  3. Step 3: Cross multiply
    367,026.98x = 550,481.53 × 100,725.30
  4. Step 4: Simplify right side
    367,026.98x = 55,447,417,253.71
  5. Step 5: Solve for x
    x = 55,447,417,253.71/367,026.98
  6. Step 6: Final answer
    x = 151,071.77

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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.