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Finding the Fourth Proportional to 110,811.16, 152,930.46 and 66,099.16

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Solution

The fourth proportional to 110,811.16, 152,930.46 and 66,099.16 is: 91,223.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,811.16 : 152,930.46 = 66,099.16 : x
  2. Step 2: Convert to fraction form
    110,811.16/152,930.46 = 66,099.16/x
  3. Step 3: Cross multiply
    110,811.16x = 152,930.46 × 66,099.16
  4. Step 4: Simplify right side
    110,811.16x = 10,108,574,944.41
  5. Step 5: Solve for x
    x = 10,108,574,944.41/110,811.16
  6. Step 6: Final answer
    x = 91,223.44

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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.