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Finding the Fourth Proportional to 123,913.85, 185,870.91 and 33,957.32

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Solution

The fourth proportional to 123,913.85, 185,870.91 and 33,957.32 is: 50,936.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,913.85 : 185,870.91 = 33,957.32 : x
  2. Step 2: Convert to fraction form
    123,913.85/185,870.91 = 33,957.32/x
  3. Step 3: Cross multiply
    123,913.85x = 185,870.91 × 33,957.32
  4. Step 4: Simplify right side
    123,913.85x = 6,311,677,040.21
  5. Step 5: Solve for x
    x = 6,311,677,040.21/123,913.85
  6. Step 6: Final answer
    x = 50,936.01

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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.