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Finding the Fourth Proportional to 119,607.68, 179,138.88 and 57,322.24

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Solution

The fourth proportional to 119,607.68, 179,138.88 and 57,322.24 is: 85,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,607.68 : 179,138.88 = 57,322.24 : x
  2. Step 2: Convert to fraction form
    119,607.68/179,138.88 = 57,322.24/x
  3. Step 3: Cross multiply
    119,607.68x = 179,138.88 × 57,322.24
  4. Step 4: Simplify right side
    119,607.68x = 10,268,641,872.69
  5. Step 5: Solve for x
    x = 10,268,641,872.69/119,607.68
  6. Step 6: Final answer
    x = 85,852.70

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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.