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Finding the Fourth Proportional to 135,876.60, 203,894.28 and 56,984.22

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Solution

The fourth proportional to 135,876.60, 203,894.28 and 56,984.22 is: 85,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,876.60 : 203,894.28 = 56,984.22 : x
  2. Step 2: Convert to fraction form
    135,876.60/203,894.28 = 56,984.22/x
  3. Step 3: Cross multiply
    135,876.60x = 203,894.28 × 56,984.22
  4. Step 4: Simplify right side
    135,876.60x = 11,618,756,508.26
  5. Step 5: Solve for x
    x = 11,618,756,508.26/135,876.60
  6. Step 6: Final answer
    x = 85,509.62

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1.5x scale

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.