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Finding the Fourth Proportional to 181,266.72, 250,180.14 and 135,555.72

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Solution

The fourth proportional to 181,266.72, 250,180.14 and 135,555.72 is: 187,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,266.72 : 250,180.14 = 135,555.72 : x
  2. Step 2: Convert to fraction form
    181,266.72/250,180.14 = 135,555.72/x
  3. Step 3: Cross multiply
    181,266.72x = 250,180.14 × 135,555.72
  4. Step 4: Simplify right side
    181,266.72x = 33,913,349,007.40
  5. Step 5: Solve for x
    x = 33,913,349,007.40/181,266.72
  6. Step 6: Final answer
    x = 187,090.87

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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.