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Finding the Fourth Proportional to 106,550.76, 159,784.59 and 39,954.60

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Solution

The fourth proportional to 106,550.76, 159,784.59 and 39,954.60 is: 59,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,550.76 : 159,784.59 = 39,954.60 : x
  2. Step 2: Convert to fraction form
    106,550.76/159,784.59 = 39,954.60/x
  3. Step 3: Cross multiply
    106,550.76x = 159,784.59 × 39,954.60
  4. Step 4: Simplify right side
    106,550.76x = 6,384,129,379.61
  5. Step 5: Solve for x
    x = 6,384,129,379.61/106,550.76
  6. Step 6: Final answer
    x = 59,916.32

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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.