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Finding the Fourth Proportional to 106,665.68, 159,889.08 and 40,093.52

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Solution

The fourth proportional to 106,665.68, 159,889.08 and 40,093.52 is: 60,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,665.68 : 159,889.08 = 40,093.52 : x
  2. Step 2: Convert to fraction form
    106,665.68/159,889.08 = 40,093.52/x
  3. Step 3: Cross multiply
    106,665.68x = 159,889.08 × 40,093.52
  4. Step 4: Simplify right side
    106,665.68x = 6,410,516,026.76
  5. Step 5: Solve for x
    x = 6,410,516,026.76/106,665.68
  6. Step 6: Final answer
    x = 60,099.14

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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.