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Finding the Fourth Proportional to 106,663.68, 159,886.08 and 40,091.52

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Solution

The fourth proportional to 106,663.68, 159,886.08 and 40,091.52 is: 60,096.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,663.68 : 159,886.08 = 40,091.52 : x
  2. Step 2: Convert to fraction form
    106,663.68/159,886.08 = 40,091.52/x
  3. Step 3: Cross multiply
    106,663.68x = 159,886.08 × 40,091.52
  4. Step 4: Simplify right side
    106,663.68x = 6,410,075,974.04
  5. Step 5: Solve for x
    x = 6,410,075,974.04/106,663.68
  6. Step 6: Final answer
    x = 60,096.14

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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.