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Finding the Fourth Proportional to 104,184.99, 143,775.66 and 56,438.22

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Solution

The fourth proportional to 104,184.99, 143,775.66 and 56,438.22 is: 77,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,184.99 : 143,775.66 = 56,438.22 : x
  2. Step 2: Convert to fraction form
    104,184.99/143,775.66 = 56,438.22/x
  3. Step 3: Cross multiply
    104,184.99x = 143,775.66 × 56,438.22
  4. Step 4: Simplify right side
    104,184.99x = 8,114,442,329.73
  5. Step 5: Solve for x
    x = 8,114,442,329.73/104,184.99
  6. Step 6: Final answer
    x = 77,884.95

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