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Finding the Fourth Proportional to 123,763,209.80, 185,644,814.70 and 95,451,657.80

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Solution

The fourth proportional to 123,763,209.80, 185,644,814.70 and 95,451,657.80 is: 143,177,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,763,209.80 : 185,644,814.70 = 95,451,657.80 : x
  2. Step 2: Convert to fraction form
    123,763,209.80/185,644,814.70 = 95,451,657.80/x
  3. Step 3: Cross multiply
    123,763,209.80x = 185,644,814.70 × 95,451,657.80
  4. Step 4: Simplify right side
    123,763,209.80x = 17,720,105,325,088,808
  5. Step 5: Solve for x
    x = 17,720,105,325,088,808/123,763,209.80
  6. Step 6: Final answer
    x = 143,177,486.70

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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.