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Finding the Fourth Proportional to 245,687.92, 368,530.66 and 95,943.42

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Solution

The fourth proportional to 245,687.92, 368,530.66 and 95,943.42 is: 143,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,687.92 : 368,530.66 = 95,943.42 : x
  2. Step 2: Convert to fraction form
    245,687.92/368,530.66 = 95,943.42/x
  3. Step 3: Cross multiply
    245,687.92x = 368,530.66 × 95,943.42
  4. Step 4: Simplify right side
    245,687.92x = 35,358,092,015.19
  5. Step 5: Solve for x
    x = 35,358,092,015.19/245,687.92
  6. Step 6: Final answer
    x = 143,914.66

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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.