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Finding the Fourth Proportional to 239,595.57, 330,642.81 and 132,164.06

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Solution

The fourth proportional to 239,595.57, 330,642.81 and 132,164.06 is: 182,386.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,595.57 : 330,642.81 = 132,164.06 : x
  2. Step 2: Convert to fraction form
    239,595.57/330,642.81 = 132,164.06/x
  3. Step 3: Cross multiply
    239,595.57x = 330,642.81 × 132,164.06
  4. Step 4: Simplify right side
    239,595.57x = 43,699,094,526.19
  5. Step 5: Solve for x
    x = 43,699,094,526.19/239,595.57
  6. Step 6: Final answer
    x = 182,386.91

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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.