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Finding the Fourth Proportional to 101,326.21, 151,998.22 and 26,445.76

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Solution

The fourth proportional to 101,326.21, 151,998.22 and 26,445.76 is: 39,670.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,326.21 : 151,998.22 = 26,445.76 : x
  2. Step 2: Convert to fraction form
    101,326.21/151,998.22 = 26,445.76/x
  3. Step 3: Cross multiply
    101,326.21x = 151,998.22 × 26,445.76
  4. Step 4: Simplify right side
    101,326.21x = 4,019,708,099.61
  5. Step 5: Solve for x
    x = 4,019,708,099.61/101,326.21
  6. Step 6: Final answer
    x = 39,670.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.