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Finding the Fourth Proportional to 104,993.66, 144,903.54 and 59,678.45

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Solution

The fourth proportional to 104,993.66, 144,903.54 and 59,678.45 is: 82,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,993.66 : 144,903.54 = 59,678.45 : x
  2. Step 2: Convert to fraction form
    104,993.66/144,903.54 = 59,678.45/x
  3. Step 3: Cross multiply
    104,993.66x = 144,903.54 × 59,678.45
  4. Step 4: Simplify right side
    104,993.66x = 8,647,617,942.20
  5. Step 5: Solve for x
    x = 8,647,617,942.20/104,993.66
  6. Step 6: Final answer
    x = 82,363.24

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1.5x scale

Why These Related Problems?

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