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Finding the Fourth Proportional to 114,340.96, 170,813.84 and 90,993.44

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Solution

The fourth proportional to 114,340.96, 170,813.84 and 90,993.44 is: 135,935.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,340.96 : 170,813.84 = 90,993.44 : x
  2. Step 2: Convert to fraction form
    114,340.96/170,813.84 = 90,993.44/x
  3. Step 3: Cross multiply
    114,340.96x = 170,813.84 × 90,993.44
  4. Step 4: Simplify right side
    114,340.96x = 15,542,938,901.21
  5. Step 5: Solve for x
    x = 15,542,938,901.21/114,340.96
  6. Step 6: Final answer
    x = 135,935.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.