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Finding the Fourth Proportional to 226,482.50, 312,565.29 and 125,899.94

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Solution

The fourth proportional to 226,482.50, 312,565.29 and 125,899.94 is: 173,752.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,482.50 : 312,565.29 = 125,899.94 : x
  2. Step 2: Convert to fraction form
    226,482.50/312,565.29 = 125,899.94/x
  3. Step 3: Cross multiply
    226,482.50x = 312,565.29 × 125,899.94
  4. Step 4: Simplify right side
    226,482.50x = 39,351,951,257.08
  5. Step 5: Solve for x
    x = 39,351,951,257.08/226,482.50
  6. Step 6: Final answer
    x = 173,752.72

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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.