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Finding the Fourth Proportional to 73,118.70, 100,950.84 and 59,722.11

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Solution

The fourth proportional to 73,118.70, 100,950.84 and 59,722.11 is: 82,454.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,118.70 : 100,950.84 = 59,722.11 : x
  2. Step 2: Convert to fraction form
    73,118.70/100,950.84 = 59,722.11/x
  3. Step 3: Cross multiply
    73,118.70x = 100,950.84 × 59,722.11
  4. Step 4: Simplify right side
    73,118.70x = 6,028,997,171.07
  5. Step 5: Solve for x
    x = 6,028,997,171.07/73,118.70
  6. Step 6: Final answer
    x = 82,454.93

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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.