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Finding the Fourth Proportional to 101,177.40, 151,760.52 and 31,056.69

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Solution

The fourth proportional to 101,177.40, 151,760.52 and 31,056.69 is: 46,583.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,177.40 : 151,760.52 = 31,056.69 : x
  2. Step 2: Convert to fraction form
    101,177.40/151,760.52 = 31,056.69/x
  3. Step 3: Cross multiply
    101,177.40x = 151,760.52 × 31,056.69
  4. Step 4: Simplify right side
    101,177.40x = 4,713,179,423.88
  5. Step 5: Solve for x
    x = 4,713,179,423.88/101,177.40
  6. Step 6: Final answer
    x = 46,583.32

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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.