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Finding the Fourth Proportional to 73,891,806.80, 110,837,710.20 and 46,682,027.60

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Solution

The fourth proportional to 73,891,806.80, 110,837,710.20 and 46,682,027.60 is: 70,023,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,891,806.80 : 110,837,710.20 = 46,682,027.60 : x
  2. Step 2: Convert to fraction form
    73,891,806.80/110,837,710.20 = 46,682,027.60/x
  3. Step 3: Cross multiply
    73,891,806.80x = 110,837,710.20 × 46,682,027.60
  4. Step 4: Simplify right side
    73,891,806.80x = 5,174,129,046,677,202
  5. Step 5: Solve for x
    x = 5,174,129,046,677,202/73,891,806.80
  6. Step 6: Final answer
    x = 70,023,041.40

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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.