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Finding the Fourth Proportional to 100,261.75, 150,347.68 and 59,754.40

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Solution

The fourth proportional to 100,261.75, 150,347.68 and 59,754.40 is: 89,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,261.75 : 150,347.68 = 59,754.40 : x
  2. Step 2: Convert to fraction form
    100,261.75/150,347.68 = 59,754.40/x
  3. Step 3: Cross multiply
    100,261.75x = 150,347.68 × 59,754.40
  4. Step 4: Simplify right side
    100,261.75x = 8,983,935,409.79
  5. Step 5: Solve for x
    x = 8,983,935,409.79/100,261.75
  6. Step 6: Final answer
    x = 89,604.81

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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.