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Finding the Fourth Proportional to 110,962.40, 166,443.60 and 93,247.70

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Solution

The fourth proportional to 110,962.40, 166,443.60 and 93,247.70 is: 139,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,962.40 : 166,443.60 = 93,247.70 : x
  2. Step 2: Convert to fraction form
    110,962.40/166,443.60 = 93,247.70/x
  3. Step 3: Cross multiply
    110,962.40x = 166,443.60 × 93,247.70
  4. Step 4: Simplify right side
    110,962.40x = 15,520,482,879.72
  5. Step 5: Solve for x
    x = 15,520,482,879.72/110,962.40
  6. Step 6: Final answer
    x = 139,871.55

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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.