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Finding the Fourth Proportional to 100,615.70, 150,923.55 and 96,727.70

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Solution

The fourth proportional to 100,615.70, 150,923.55 and 96,727.70 is: 145,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,615.70 : 150,923.55 = 96,727.70 : x
  2. Step 2: Convert to fraction form
    100,615.70/150,923.55 = 96,727.70/x
  3. Step 3: Cross multiply
    100,615.70x = 150,923.55 × 96,727.70
  4. Step 4: Simplify right side
    100,615.70x = 14,598,487,867.34
  5. Step 5: Solve for x
    x = 14,598,487,867.34/100,615.70
  6. Step 6: Final answer
    x = 145,091.55

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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.