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Finding the Fourth Proportional to 179,624.40, 247,883.40 and 99,054.78

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Solution

The fourth proportional to 179,624.40, 247,883.40 and 99,054.78 is: 136,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,624.40 : 247,883.40 = 99,054.78 : x
  2. Step 2: Convert to fraction form
    179,624.40/247,883.40 = 99,054.78/x
  3. Step 3: Cross multiply
    179,624.40x = 247,883.40 × 99,054.78
  4. Step 4: Simplify right side
    179,624.40x = 24,554,035,652.65
  5. Step 5: Solve for x
    x = 24,554,035,652.65/179,624.40
  6. Step 6: Final answer
    x = 136,696.55

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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.