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Finding the Fourth Proportional to 73,299.06, 101,151.18 and 39,765.06

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Solution

The fourth proportional to 73,299.06, 101,151.18 and 39,765.06 is: 54,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,299.06 : 101,151.18 = 39,765.06 : x
  2. Step 2: Convert to fraction form
    73,299.06/101,151.18 = 39,765.06/x
  3. Step 3: Cross multiply
    73,299.06x = 101,151.18 × 39,765.06
  4. Step 4: Simplify right side
    73,299.06x = 4,022,282,741.77
  5. Step 5: Solve for x
    x = 4,022,282,741.77/73,299.06
  6. Step 6: Final answer
    x = 54,874.96

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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.