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Finding the Fourth Proportional to 181,857.72, 250,963.38 and 101,292.24

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Solution

The fourth proportional to 181,857.72, 250,963.38 and 101,292.24 is: 139,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,857.72 : 250,963.38 = 101,292.24 : x
  2. Step 2: Convert to fraction form
    181,857.72/250,963.38 = 101,292.24/x
  3. Step 3: Cross multiply
    181,857.72x = 250,963.38 × 101,292.24
  4. Step 4: Simplify right side
    181,857.72x = 25,420,642,918.17
  5. Step 5: Solve for x
    x = 25,420,642,918.17/181,857.72
  6. Step 6: Final answer
    x = 139,783.14

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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.