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Finding the Fourth Proportional to 127,855.70, 191,783.55 and 44,758.10

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Solution

The fourth proportional to 127,855.70, 191,783.55 and 44,758.10 is: 67,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,855.70 : 191,783.55 = 44,758.10 : x
  2. Step 2: Convert to fraction form
    127,855.70/191,783.55 = 44,758.10/x
  3. Step 3: Cross multiply
    127,855.70x = 191,783.55 × 44,758.10
  4. Step 4: Simplify right side
    127,855.70x = 8,583,867,309.26
  5. Step 5: Solve for x
    x = 8,583,867,309.26/127,855.70
  6. Step 6: Final answer
    x = 67,137.15

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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.