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Finding the Fourth Proportional to 101,039.20, 151,544.40 and 34,482.40

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Solution

The fourth proportional to 101,039.20, 151,544.40 and 34,482.40 is: 51,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,039.20 : 151,544.40 = 34,482.40 : x
  2. Step 2: Convert to fraction form
    101,039.20/151,544.40 = 34,482.40/x
  3. Step 3: Cross multiply
    101,039.20x = 151,544.40 × 34,482.40
  4. Step 4: Simplify right side
    101,039.20x = 5,225,614,618.56
  5. Step 5: Solve for x
    x = 5,225,614,618.56/101,039.20
  6. Step 6: Final answer
    x = 51,718.69

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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.