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Finding the Fourth Proportional to 110,778.57, 152,489.59 and 96,606.81

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Solution

The fourth proportional to 110,778.57, 152,489.59 and 96,606.81 is: 132,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,778.57 : 152,489.59 = 96,606.81 : x
  2. Step 2: Convert to fraction form
    110,778.57/152,489.59 = 96,606.81/x
  3. Step 3: Cross multiply
    110,778.57x = 152,489.59 × 96,606.81
  4. Step 4: Simplify right side
    110,778.57x = 14,731,532,606.59
  5. Step 5: Solve for x
    x = 14,731,532,606.59/110,778.57
  6. Step 6: Final answer
    x = 132,981.79

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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.