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Finding the Fourth Proportional to 101,481.81, 152,219.56 and 48,212.13

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Solution

The fourth proportional to 101,481.81, 152,219.56 and 48,212.13 is: 72,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,481.81 : 152,219.56 = 48,212.13 : x
  2. Step 2: Convert to fraction form
    101,481.81/152,219.56 = 48,212.13/x
  3. Step 3: Cross multiply
    101,481.81x = 152,219.56 × 48,212.13
  4. Step 4: Simplify right side
    101,481.81x = 7,338,829,215.26
  5. Step 5: Solve for x
    x = 7,338,829,215.26/101,481.81
  6. Step 6: Final answer
    x = 72,316.70

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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.