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Finding the Fourth Proportional to 181,842.97, 250,698.67 and 127,321.81

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Solution

The fourth proportional to 181,842.97, 250,698.67 and 127,321.81 is: 175,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,842.97 : 250,698.67 = 127,321.81 : x
  2. Step 2: Convert to fraction form
    181,842.97/250,698.67 = 127,321.81/x
  3. Step 3: Cross multiply
    181,842.97x = 250,698.67 × 127,321.81
  4. Step 4: Simplify right side
    181,842.97x = 31,919,408,428.99
  5. Step 5: Solve for x
    x = 31,919,408,428.99/181,842.97
  6. Step 6: Final answer
    x = 175,532.82

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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.