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Finding the Fourth Proportional to 123,763,207.80, 185,644,811.70 and 95,451,655.80

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Solution

The fourth proportional to 123,763,207.80, 185,644,811.70 and 95,451,655.80 is: 143,177,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,763,207.80 : 185,644,811.70 = 95,451,655.80 : x
  2. Step 2: Convert to fraction form
    123,763,207.80/185,644,811.70 = 95,451,655.80/x
  3. Step 3: Cross multiply
    123,763,207.80x = 185,644,811.70 × 95,451,655.80
  4. Step 4: Simplify right side
    123,763,207.80x = 17,720,104,667,444,212
  5. Step 5: Solve for x
    x = 17,720,104,667,444,212/123,763,207.80
  6. Step 6: Final answer
    x = 143,177,483.70

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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.