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Finding the Fourth Proportional to 119,246.98, 164,524.92 and 71,482.90

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Solution

The fourth proportional to 119,246.98, 164,524.92 and 71,482.90 is: 98,624.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,246.98 : 164,524.92 = 71,482.90 : x
  2. Step 2: Convert to fraction form
    119,246.98/164,524.92 = 71,482.90/x
  3. Step 3: Cross multiply
    119,246.98x = 164,524.92 × 71,482.90
  4. Step 4: Simplify right side
    119,246.98x = 11,760,718,403.87
  5. Step 5: Solve for x
    x = 11,760,718,403.87/119,246.98
  6. Step 6: Final answer
    x = 98,624.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.