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Finding the Fourth Proportional to 181,262.20, 250,177.64 and 115,809.16

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Solution

The fourth proportional to 181,262.20, 250,177.64 and 115,809.16 is: 159,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,262.20 : 250,177.64 = 115,809.16 : x
  2. Step 2: Convert to fraction form
    181,262.20/250,177.64 = 115,809.16/x
  3. Step 3: Cross multiply
    181,262.20x = 250,177.64 × 115,809.16
  4. Step 4: Simplify right side
    181,262.20x = 28,972,862,339.18
  5. Step 5: Solve for x
    x = 28,972,862,339.18/181,262.20
  6. Step 6: Final answer
    x = 159,839.52

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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.