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Finding the Fourth Proportional to 99,482.73, 149,209.38 and 36,288.06

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Solution

The fourth proportional to 99,482.73, 149,209.38 and 36,288.06 is: 54,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,482.73 : 149,209.38 = 36,288.06 : x
  2. Step 2: Convert to fraction form
    99,482.73/149,209.38 = 36,288.06/x
  3. Step 3: Cross multiply
    99,482.73x = 149,209.38 × 36,288.06
  4. Step 4: Simplify right side
    99,482.73x = 5,414,518,934.00
  5. Step 5: Solve for x
    x = 5,414,518,934.00/99,482.73
  6. Step 6: Final answer
    x = 54,426.72

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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.