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Finding the Fourth Proportional to 181,314.76, 250,012.59 and 123,963.38

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Solution

The fourth proportional to 181,314.76, 250,012.59 and 123,963.38 is: 170,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,314.76 : 250,012.59 = 123,963.38 : x
  2. Step 2: Convert to fraction form
    181,314.76/250,012.59 = 123,963.38/x
  3. Step 3: Cross multiply
    181,314.76x = 250,012.59 × 123,963.38
  4. Step 4: Simplify right side
    181,314.76x = 30,992,405,859.12
  5. Step 5: Solve for x
    x = 30,992,405,859.12/181,314.76
  6. Step 6: Final answer
    x = 170,931.51

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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.