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Finding the Fourth Proportional to 101,135.45, 151,733.36 and 30,060.45

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Solution

The fourth proportional to 101,135.45, 151,733.36 and 30,060.45 is: 45,099.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,135.45 : 151,733.36 = 30,060.45 : x
  2. Step 2: Convert to fraction form
    101,135.45/151,733.36 = 30,060.45/x
  3. Step 3: Cross multiply
    101,135.45x = 151,733.36 × 30,060.45
  4. Step 4: Simplify right side
    101,135.45x = 4,561,173,081.61
  5. Step 5: Solve for x
    x = 4,561,173,081.61/101,135.45
  6. Step 6: Final answer
    x = 45,099.65

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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.