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Finding the Fourth Proportional to 293,274.52, 404,718.80 and 159,138.52

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Solution

The fourth proportional to 293,274.52, 404,718.80 and 159,138.52 is: 219,611.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,274.52 : 404,718.80 = 159,138.52 : x
  2. Step 2: Convert to fraction form
    293,274.52/404,718.80 = 159,138.52/x
  3. Step 3: Cross multiply
    293,274.52x = 404,718.80 × 159,138.52
  4. Step 4: Simplify right side
    293,274.52x = 64,406,350,848.18
  5. Step 5: Solve for x
    x = 64,406,350,848.18/293,274.52
  6. Step 6: Final answer
    x = 219,611.14

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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.