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Finding the Fourth Proportional to 159,271.36, 238,961.36 and 100,037.68

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Solution

The fourth proportional to 159,271.36, 238,961.36 and 100,037.68 is: 150,090.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,271.36 : 238,961.36 = 100,037.68 : x
  2. Step 2: Convert to fraction form
    159,271.36/238,961.36 = 100,037.68/x
  3. Step 3: Cross multiply
    159,271.36x = 238,961.36 × 100,037.68
  4. Step 4: Simplify right side
    159,271.36x = 23,905,140,064.04
  5. Step 5: Solve for x
    x = 23,905,140,064.04/159,271.36
  6. Step 6: Final answer
    x = 150,090.64

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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.