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Finding the Fourth Proportional to 107,864.37, 161,811.14 and 101,303.37

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Solution

The fourth proportional to 107,864.37, 161,811.14 and 101,303.37 is: 151,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,864.37 : 161,811.14 = 101,303.37 : x
  2. Step 2: Convert to fraction form
    107,864.37/161,811.14 = 101,303.37/x
  3. Step 3: Cross multiply
    107,864.37x = 161,811.14 × 101,303.37
  4. Step 4: Simplify right side
    107,864.37x = 16,392,013,785.54
  5. Step 5: Solve for x
    x = 16,392,013,785.54/107,864.37
  6. Step 6: Final answer
    x = 151,968.75

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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.