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Finding the Fourth Proportional to 236,970.92, 327,020.52 and 129,542.24

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Solution

The fourth proportional to 236,970.92, 327,020.52 and 129,542.24 is: 178,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,970.92 : 327,020.52 = 129,542.24 : x
  2. Step 2: Convert to fraction form
    236,970.92/327,020.52 = 129,542.24/x
  3. Step 3: Cross multiply
    236,970.92x = 327,020.52 × 129,542.24
  4. Step 4: Simplify right side
    236,970.92x = 42,362,970,686.76
  5. Step 5: Solve for x
    x = 42,362,970,686.76/236,970.92
  6. Step 6: Final answer
    x = 178,768.65

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1.5x scale

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.