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Finding the Fourth Proportional to 181,240.72, 250,025.40 and 127,555.52

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Solution

The fourth proportional to 181,240.72, 250,025.40 and 127,555.52 is: 175,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,240.72 : 250,025.40 = 127,555.52 : x
  2. Step 2: Convert to fraction form
    181,240.72/250,025.40 = 127,555.52/x
  3. Step 3: Cross multiply
    181,240.72x = 250,025.40 × 127,555.52
  4. Step 4: Simplify right side
    181,240.72x = 31,892,119,910.21
  5. Step 5: Solve for x
    x = 31,892,119,910.21/181,240.72
  6. Step 6: Final answer
    x = 175,965.53

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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.