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Finding the Fourth Proportional to 71,125.58, 106,755.34 and 36,090.38

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Solution

The fourth proportional to 71,125.58, 106,755.34 and 36,090.38 is: 54,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,125.58 : 106,755.34 = 36,090.38 : x
  2. Step 2: Convert to fraction form
    71,125.58/106,755.34 = 36,090.38/x
  3. Step 3: Cross multiply
    71,125.58x = 106,755.34 × 36,090.38
  4. Step 4: Simplify right side
    71,125.58x = 3,852,840,787.63
  5. Step 5: Solve for x
    x = 3,852,840,787.63/71,125.58
  6. Step 6: Final answer
    x = 54,169.55

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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.