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Finding the Fourth Proportional to 239,471.70, 330,473.25 and 132,045.54

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Solution

The fourth proportional to 239,471.70, 330,473.25 and 132,045.54 is: 182,224.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,471.70 : 330,473.25 = 132,045.54 : x
  2. Step 2: Convert to fraction form
    239,471.70/330,473.25 = 132,045.54/x
  3. Step 3: Cross multiply
    239,471.70x = 330,473.25 × 132,045.54
  4. Step 4: Simplify right side
    239,471.70x = 43,637,518,751.81
  5. Step 5: Solve for x
    x = 43,637,518,751.81/239,471.70
  6. Step 6: Final answer
    x = 182,224.12

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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.