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Finding the Fourth Proportional to 182,008.48, 251,164.86 and 101,431.72

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Solution

The fourth proportional to 182,008.48, 251,164.86 and 101,431.72 is: 139,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,008.48 : 251,164.86 = 101,431.72 : x
  2. Step 2: Convert to fraction form
    182,008.48/251,164.86 = 101,431.72/x
  3. Step 3: Cross multiply
    182,008.48x = 251,164.86 × 101,431.72
  4. Step 4: Simplify right side
    182,008.48x = 25,476,083,753.36
  5. Step 5: Solve for x
    x = 25,476,083,753.36/182,008.48
  6. Step 6: Final answer
    x = 139,971.96

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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.