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Finding the Fourth Proportional to 69,900.30, 104,746.77 and 51,341.58

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Solution

The fourth proportional to 69,900.30, 104,746.77 and 51,341.58 is: 76,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,900.30 : 104,746.77 = 51,341.58 : x
  2. Step 2: Convert to fraction form
    69,900.30/104,746.77 = 51,341.58/x
  3. Step 3: Cross multiply
    69,900.30x = 104,746.77 × 51,341.58
  4. Step 4: Simplify right side
    69,900.30x = 5,377,864,671.70
  5. Step 5: Solve for x
    x = 5,377,864,671.70/69,900.30
  6. Step 6: Final answer
    x = 76,936.22

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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.