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Finding the Fourth Proportional to 105,286.88, 157,885.35 and 60,944.24

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Solution

The fourth proportional to 105,286.88, 157,885.35 and 60,944.24 is: 91,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,286.88 : 157,885.35 = 60,944.24 : x
  2. Step 2: Convert to fraction form
    105,286.88/157,885.35 = 60,944.24/x
  3. Step 3: Cross multiply
    105,286.88x = 157,885.35 × 60,944.24
  4. Step 4: Simplify right side
    105,286.88x = 9,622,201,873.46
  5. Step 5: Solve for x
    x = 9,622,201,873.46/105,286.88
  6. Step 6: Final answer
    x = 91,390.33

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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.