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Finding the Fourth Proportional to 106,658.40, 159,944.40 and 36,501.60

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Solution

The fourth proportional to 106,658.40, 159,944.40 and 36,501.60 is: 54,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,658.40 : 159,944.40 = 36,501.60 : x
  2. Step 2: Convert to fraction form
    106,658.40/159,944.40 = 36,501.60/x
  3. Step 3: Cross multiply
    106,658.40x = 159,944.40 × 36,501.60
  4. Step 4: Simplify right side
    106,658.40x = 5,838,226,511.04
  5. Step 5: Solve for x
    x = 5,838,226,511.04/106,658.40
  6. Step 6: Final answer
    x = 54,737.62

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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.