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Finding the Fourth Proportional to 169,016.77, 253,160.66 and 159,079.92

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Solution

The fourth proportional to 169,016.77, 253,160.66 and 159,079.92 is: 238,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,016.77 : 253,160.66 = 159,079.92 : x
  2. Step 2: Convert to fraction form
    169,016.77/253,160.66 = 159,079.92/x
  3. Step 3: Cross multiply
    169,016.77x = 253,160.66 × 159,079.92
  4. Step 4: Simplify right side
    169,016.77x = 40,272,776,988.29
  5. Step 5: Solve for x
    x = 40,272,776,988.29/169,016.77
  6. Step 6: Final answer
    x = 238,276.81

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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.