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Finding the Fourth Proportional to 151,773.35, 209,474.63 and 90,523.46

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Solution

The fourth proportional to 151,773.35, 209,474.63 and 90,523.46 is: 124,938.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,773.35 : 209,474.63 = 90,523.46 : x
  2. Step 2: Convert to fraction form
    151,773.35/209,474.63 = 90,523.46/x
  3. Step 3: Cross multiply
    151,773.35x = 209,474.63 × 90,523.46
  4. Step 4: Simplify right side
    151,773.35x = 18,962,368,700.35
  5. Step 5: Solve for x
    x = 18,962,368,700.35/151,773.35
  6. Step 6: Final answer
    x = 124,938.73

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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.