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Finding the Fourth Proportional to 179,617.08, 247,870.09 and 99,048

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Solution

The fourth proportional to 179,617.08, 247,870.09 and 99,048 is: 136,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,617.08 : 247,870.09 = 99,048 : x
  2. Step 2: Convert to fraction form
    179,617.08/247,870.09 = 99,048/x
  3. Step 3: Cross multiply
    179,617.08x = 247,870.09 × 99,048
  4. Step 4: Simplify right side
    179,617.08x = 24,551,036,674.32
  5. Step 5: Solve for x
    x = 24,551,036,674.32/179,617.08
  6. Step 6: Final answer
    x = 136,685.42

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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.