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Finding the Fourth Proportional to 181,459.72, 250,348.08 and 109,813.60

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Solution

The fourth proportional to 181,459.72, 250,348.08 and 109,813.60 is: 151,502.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,459.72 : 250,348.08 = 109,813.60 : x
  2. Step 2: Convert to fraction form
    181,459.72/250,348.08 = 109,813.60/x
  3. Step 3: Cross multiply
    181,459.72x = 250,348.08 × 109,813.60
  4. Step 4: Simplify right side
    181,459.72x = 27,491,623,917.89
  5. Step 5: Solve for x
    x = 27,491,623,917.89/181,459.72
  6. Step 6: Final answer
    x = 151,502.63

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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.