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Finding the Fourth Proportional to 48,400,948.80, 67,811,716.80 and 48,400,948.80

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Solution

The fourth proportional to 48,400,948.80, 67,811,716.80 and 48,400,948.80 is: 67,811,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,400,948.80 : 67,811,716.80 = 48,400,948.80 : x
  2. Step 2: Convert to fraction form
    48,400,948.80/67,811,716.80 = 48,400,948.80/x
  3. Step 3: Cross multiply
    48,400,948.80x = 67,811,716.80 × 48,400,948.80
  4. Step 4: Simplify right side
    48,400,948.80x = 3,282,151,432,876,899.50
  5. Step 5: Solve for x
    x = 3,282,151,432,876,899.50/48,400,948.80
  6. Step 6: Final answer
    x = 67,811,716.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.