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Finding the Fourth Proportional to 73,759.50, 110,749.68 and 42,205.14

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Solution

The fourth proportional to 73,759.50, 110,749.68 and 42,205.14 is: 63,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,759.50 : 110,749.68 = 42,205.14 : x
  2. Step 2: Convert to fraction form
    73,759.50/110,749.68 = 42,205.14/x
  3. Step 3: Cross multiply
    73,759.50x = 110,749.68 × 42,205.14
  4. Step 4: Simplify right side
    73,759.50x = 4,674,205,749.36
  5. Step 5: Solve for x
    x = 4,674,205,749.36/73,759.50
  6. Step 6: Final answer
    x = 63,370.90

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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.