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Finding the Fourth Proportional to 166,750.84, 230,114.41 and 90,268.21

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Solution

The fourth proportional to 166,750.84, 230,114.41 and 90,268.21 is: 124,569.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,750.84 : 230,114.41 = 90,268.21 : x
  2. Step 2: Convert to fraction form
    166,750.84/230,114.41 = 90,268.21/x
  3. Step 3: Cross multiply
    166,750.84x = 230,114.41 × 90,268.21
  4. Step 4: Simplify right side
    166,750.84x = 20,772,015,885.91
  5. Step 5: Solve for x
    x = 20,772,015,885.91/166,750.84
  6. Step 6: Final answer
    x = 124,569.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.