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Finding the Fourth Proportional to 85,183.95, 127,835.21 and 35,264.31

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Solution

The fourth proportional to 85,183.95, 127,835.21 and 35,264.31 is: 52,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,183.95 : 127,835.21 = 35,264.31 : x
  2. Step 2: Convert to fraction form
    85,183.95/127,835.21 = 35,264.31/x
  3. Step 3: Cross multiply
    85,183.95x = 127,835.21 × 35,264.31
  4. Step 4: Simplify right side
    85,183.95x = 4,508,020,083.13
  5. Step 5: Solve for x
    x = 4,508,020,083.13/85,183.95
  6. Step 6: Final answer
    x = 52,921.00

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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.