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Finding the Fourth Proportional to 179,594.72, 269,392.08 and 99,681.74

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Solution

The fourth proportional to 179,594.72, 269,392.08 and 99,681.74 is: 149,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,594.72 : 269,392.08 = 99,681.74 : x
  2. Step 2: Convert to fraction form
    179,594.72/269,392.08 = 99,681.74/x
  3. Step 3: Cross multiply
    179,594.72x = 269,392.08 × 99,681.74
  4. Step 4: Simplify right side
    179,594.72x = 26,853,471,276.62
  5. Step 5: Solve for x
    x = 26,853,471,276.62/179,594.72
  6. Step 6: Final answer
    x = 149,522.61

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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.