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Finding the Fourth Proportional to 181,434.88, 250,010.87 and 140,349.40

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Solution

The fourth proportional to 181,434.88, 250,010.87 and 140,349.40 is: 193,396.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,434.88 : 250,010.87 = 140,349.40 : x
  2. Step 2: Convert to fraction form
    181,434.88/250,010.87 = 140,349.40/x
  3. Step 3: Cross multiply
    181,434.88x = 250,010.87 × 140,349.40
  4. Step 4: Simplify right side
    181,434.88x = 35,088,874,698.80
  5. Step 5: Solve for x
    x = 35,088,874,698.80/181,434.88
  6. Step 6: Final answer
    x = 193,396.53

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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.