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Finding the Fourth Proportional to 152,872.65, 210,983.68 and 92,443.71

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Solution

The fourth proportional to 152,872.65, 210,983.68 and 92,443.71 is: 127,584.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,872.65 : 210,983.68 = 92,443.71 : x
  2. Step 2: Convert to fraction form
    152,872.65/210,983.68 = 92,443.71/x
  3. Step 3: Cross multiply
    152,872.65x = 210,983.68 × 92,443.71
  4. Step 4: Simplify right side
    152,872.65x = 19,504,114,128.65
  5. Step 5: Solve for x
    x = 19,504,114,128.65/152,872.65
  6. Step 6: Final answer
    x = 127,584.07

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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.