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Finding the Fourth Proportional to 85,263.60, 127,895.40 and 26,099.40

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Solution

The fourth proportional to 85,263.60, 127,895.40 and 26,099.40 is: 39,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,263.60 : 127,895.40 = 26,099.40 : x
  2. Step 2: Convert to fraction form
    85,263.60/127,895.40 = 26,099.40/x
  3. Step 3: Cross multiply
    85,263.60x = 127,895.40 × 26,099.40
  4. Step 4: Simplify right side
    85,263.60x = 3,337,993,202.76
  5. Step 5: Solve for x
    x = 3,337,993,202.76/85,263.60
  6. Step 6: Final answer
    x = 39,149.10

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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.