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Finding the Fourth Proportional to 244,679,820.90, 367,019,731.35 and 83,121,756.90

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Solution

The fourth proportional to 244,679,820.90, 367,019,731.35 and 83,121,756.90 is: 124,682,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,679,820.90 : 367,019,731.35 = 83,121,756.90 : x
  2. Step 2: Convert to fraction form
    244,679,820.90/367,019,731.35 = 83,121,756.90/x
  3. Step 3: Cross multiply
    244,679,820.90x = 367,019,731.35 × 83,121,756.90
  4. Step 4: Simplify right side
    244,679,820.90x = 30,507,324,886,778,012
  5. Step 5: Solve for x
    x = 30,507,324,886,778,012/244,679,820.90
  6. Step 6: Final answer
    x = 124,682,635.35

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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.