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Finding the Fourth Proportional to 106,229.60, 159,270.56 and 47,032.96

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Solution

The fourth proportional to 106,229.60, 159,270.56 and 47,032.96 is: 70,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,229.60 : 159,270.56 = 47,032.96 : x
  2. Step 2: Convert to fraction form
    106,229.60/159,270.56 = 47,032.96/x
  3. Step 3: Cross multiply
    106,229.60x = 159,270.56 × 47,032.96
  4. Step 4: Simplify right side
    106,229.60x = 7,490,965,877.66
  5. Step 5: Solve for x
    x = 7,490,965,877.66/106,229.60
  6. Step 6: Final answer
    x = 70,516.75

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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.