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Finding the Fourth Proportional to 170,952.62, 256,486.02 and 107,699.72

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Solution

The fourth proportional to 170,952.62, 256,486.02 and 107,699.72 is: 161,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,952.62 : 256,486.02 = 107,699.72 : x
  2. Step 2: Convert to fraction form
    170,952.62/256,486.02 = 107,699.72/x
  3. Step 3: Cross multiply
    170,952.62x = 256,486.02 × 107,699.72
  4. Step 4: Simplify right side
    170,952.62x = 27,623,472,537.91
  5. Step 5: Solve for x
    x = 27,623,472,537.91/170,952.62
  6. Step 6: Final answer
    x = 161,585.55

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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.