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Finding the Fourth Proportional to 107,859.87, 161,804.39 and 101,298.87

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Solution

The fourth proportional to 107,859.87, 161,804.39 and 101,298.87 is: 151,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,859.87 : 161,804.39 = 101,298.87 : x
  2. Step 2: Convert to fraction form
    107,859.87/161,804.39 = 101,298.87/x
  3. Step 3: Cross multiply
    107,859.87x = 161,804.39 × 101,298.87
  4. Step 4: Simplify right side
    107,859.87x = 16,390,601,361.55
  5. Step 5: Solve for x
    x = 16,390,601,361.55/107,859.87
  6. Step 6: Final answer
    x = 151,962.00

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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.