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Finding the Fourth Proportional to 100,278.69, 150,501.12 and 50,373.06

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Solution

The fourth proportional to 100,278.69, 150,501.12 and 50,373.06 is: 75,601.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,278.69 : 150,501.12 = 50,373.06 : x
  2. Step 2: Convert to fraction form
    100,278.69/150,501.12 = 50,373.06/x
  3. Step 3: Cross multiply
    100,278.69x = 150,501.12 × 50,373.06
  4. Step 4: Simplify right side
    100,278.69x = 7,581,201,947.83
  5. Step 5: Solve for x
    x = 7,581,201,947.83/100,278.69
  6. Step 6: Final answer
    x = 75,601.33

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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.