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Finding the Fourth Proportional to 239,574, 330,613.68 and 132,146.94

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Solution

The fourth proportional to 239,574, 330,613.68 and 132,146.94 is: 182,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,574 : 330,613.68 = 132,146.94 : x
  2. Step 2: Convert to fraction form
    239,574/330,613.68 = 132,146.94/x
  3. Step 3: Cross multiply
    239,574x = 330,613.68 × 132,146.94
  4. Step 4: Simplify right side
    239,574x = 43,689,586,134.14
  5. Step 5: Solve for x
    x = 43,689,586,134.14/239,574
  6. Step 6: Final answer
    x = 182,363.64

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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.