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Finding the Fourth Proportional to 69,898.83, 104,772.83 and 34,318.77

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Solution

The fourth proportional to 69,898.83, 104,772.83 and 34,318.77 is: 51,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,898.83 : 104,772.83 = 34,318.77 : x
  2. Step 2: Convert to fraction form
    69,898.83/104,772.83 = 34,318.77/x
  3. Step 3: Cross multiply
    69,898.83x = 104,772.83 × 34,318.77
  4. Step 4: Simplify right side
    69,898.83x = 3,595,674,483.43
  5. Step 5: Solve for x
    x = 3,595,674,483.43/69,898.83
  6. Step 6: Final answer
    x = 51,441.13

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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.