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Finding the Fourth Proportional to 134,770.70, 202,168.20 and 55,868.60

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Solution

The fourth proportional to 134,770.70, 202,168.20 and 55,868.60 is: 83,807.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,770.70 : 202,168.20 = 55,868.60 : x
  2. Step 2: Convert to fraction form
    134,770.70/202,168.20 = 55,868.60/x
  3. Step 3: Cross multiply
    134,770.70x = 202,168.20 × 55,868.60
  4. Step 4: Simplify right side
    134,770.70x = 11,294,854,298.52
  5. Step 5: Solve for x
    x = 11,294,854,298.52/134,770.70
  6. Step 6: Final answer
    x = 83,807.94

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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.