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Finding the Fourth Proportional to 147,167.77, 203,092.90 and 83,500.55

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Solution

The fourth proportional to 147,167.77, 203,092.90 and 83,500.55 is: 115,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,167.77 : 203,092.90 = 83,500.55 : x
  2. Step 2: Convert to fraction form
    147,167.77/203,092.90 = 83,500.55/x
  3. Step 3: Cross multiply
    147,167.77x = 203,092.90 × 83,500.55
  4. Step 4: Simplify right side
    147,167.77x = 16,958,370,000.57
  5. Step 5: Solve for x
    x = 16,958,370,000.57/147,167.77
  6. Step 6: Final answer
    x = 115,231.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.