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Finding the Fourth Proportional to 295,086.10, 442,045.95 and 161,727.70

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Solution

The fourth proportional to 295,086.10, 442,045.95 and 161,727.70 is: 242,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,086.10 : 442,045.95 = 161,727.70 : x
  2. Step 2: Convert to fraction form
    295,086.10/442,045.95 = 161,727.70/x
  3. Step 3: Cross multiply
    295,086.10x = 442,045.95 × 161,727.70
  4. Step 4: Simplify right side
    295,086.10x = 71,491,074,787.82
  5. Step 5: Solve for x
    x = 71,491,074,787.82/295,086.10
  6. Step 6: Final answer
    x = 242,271.92

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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.