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Finding the Fourth Proportional to 86,797,158, 119,783,810.52 and 48,165,990

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Solution

The fourth proportional to 86,797,158, 119,783,810.52 and 48,165,990 is: 66,471,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,797,158 : 119,783,810.52 = 48,165,990 : x
  2. Step 2: Convert to fraction form
    86,797,158/119,783,810.52 = 48,165,990/x
  3. Step 3: Cross multiply
    86,797,158x = 119,783,810.52 × 48,165,990
  4. Step 4: Simplify right side
    86,797,158x = 5,769,505,819,668,215
  5. Step 5: Solve for x
    x = 5,769,505,819,668,215/86,797,158
  6. Step 6: Final answer
    x = 66,471,137.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.