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Finding the Fourth Proportional to 106,605.48, 159,893.58 and 31,737.18

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Solution

The fourth proportional to 106,605.48, 159,893.58 and 31,737.18 is: 47,601.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,605.48 : 159,893.58 = 31,737.18 : x
  2. Step 2: Convert to fraction form
    106,605.48/159,893.58 = 31,737.18/x
  3. Step 3: Cross multiply
    106,605.48x = 159,893.58 × 31,737.18
  4. Step 4: Simplify right side
    106,605.48x = 5,074,571,329.30
  5. Step 5: Solve for x
    x = 5,074,571,329.30/106,605.48
  6. Step 6: Final answer
    x = 47,601.41

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1.5x scale

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.