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Finding the Fourth Proportional to 95,757,740.80, 143,424,034.80 and 78,751,628.80

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Solution

The fourth proportional to 95,757,740.80, 143,424,034.80 and 78,751,628.80 is: 117,952,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,757,740.80 : 143,424,034.80 = 78,751,628.80 : x
  2. Step 2: Convert to fraction form
    95,757,740.80/143,424,034.80 = 78,751,628.80/x
  3. Step 3: Cross multiply
    95,757,740.80x = 143,424,034.80 × 78,751,628.80
  4. Step 4: Simplify right side
    95,757,740.80x = 11,294,876,349,567,882
  5. Step 5: Solve for x
    x = 11,294,876,349,567,882/95,757,740.80
  6. Step 6: Final answer
    x = 117,952,619.34

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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.