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Finding the Fourth Proportional to 53,704,858.80, 80,368,331.40 and 49,169,895.60

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Solution

The fourth proportional to 53,704,858.80, 80,368,331.40 and 49,169,895.60 is: 73,581,842.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,704,858.80 : 80,368,331.40 = 49,169,895.60 : x
  2. Step 2: Convert to fraction form
    53,704,858.80/80,368,331.40 = 49,169,895.60/x
  3. Step 3: Cross multiply
    53,704,858.80x = 80,368,331.40 × 49,169,895.60
  4. Step 4: Simplify right side
    53,704,858.80x = 3,951,702,464,484,202.50
  5. Step 5: Solve for x
    x = 3,951,702,464,484,202.50/53,704,858.80
  6. Step 6: Final answer
    x = 73,581,842.55

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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.