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Finding the Fourth Proportional to 222,245.65, 333,352.96 and 72,482.52

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Solution

The fourth proportional to 222,245.65, 333,352.96 and 72,482.52 is: 108,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,245.65 : 333,352.96 = 72,482.52 : x
  2. Step 2: Convert to fraction form
    222,245.65/333,352.96 = 72,482.52/x
  3. Step 3: Cross multiply
    222,245.65x = 333,352.96 × 72,482.52
  4. Step 4: Simplify right side
    222,245.65x = 24,162,262,590.26
  5. Step 5: Solve for x
    x = 24,162,262,590.26/222,245.65
  6. Step 6: Final answer
    x = 108,718.72

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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.