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Finding the Fourth Proportional to 181,238.72, 250,022.64 and 127,553.52

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Solution

The fourth proportional to 181,238.72, 250,022.64 and 127,553.52 is: 175,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,238.72 : 250,022.64 = 127,553.52 : x
  2. Step 2: Convert to fraction form
    181,238.72/250,022.64 = 127,553.52/x
  3. Step 3: Cross multiply
    181,238.72x = 250,022.64 × 127,553.52
  4. Step 4: Simplify right side
    181,238.72x = 31,891,267,811.69
  5. Step 5: Solve for x
    x = 31,891,267,811.69/181,238.72
  6. Step 6: Final answer
    x = 175,962.77

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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.