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Finding the Fourth Proportional to 85,193.60, 127,815.08 and 35,264.48

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Solution

The fourth proportional to 85,193.60, 127,815.08 and 35,264.48 is: 52,906.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,193.60 : 127,815.08 = 35,264.48 : x
  2. Step 2: Convert to fraction form
    85,193.60/127,815.08 = 35,264.48/x
  3. Step 3: Cross multiply
    85,193.60x = 127,815.08 × 35,264.48
  4. Step 4: Simplify right side
    85,193.60x = 4,507,332,332.36
  5. Step 5: Solve for x
    x = 4,507,332,332.36/85,193.60
  6. Step 6: Final answer
    x = 52,906.94

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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.