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Finding the Fourth Proportional to 101,354.91, 151,803.95 and 48,803.73

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Solution

The fourth proportional to 101,354.91, 151,803.95 and 48,803.73 is: 73,095.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,354.91 : 151,803.95 = 48,803.73 : x
  2. Step 2: Convert to fraction form
    101,354.91/151,803.95 = 48,803.73/x
  3. Step 3: Cross multiply
    101,354.91x = 151,803.95 × 48,803.73
  4. Step 4: Simplify right side
    101,354.91x = 7,408,598,744.71
  5. Step 5: Solve for x
    x = 7,408,598,744.71/101,354.91
  6. Step 6: Final answer
    x = 73,095.61

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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.