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Finding the Fourth Proportional to 111,466.45, 152,877.90 and 106,888.96

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Solution

The fourth proportional to 111,466.45, 152,877.90 and 106,888.96 is: 146,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,466.45 : 152,877.90 = 106,888.96 : x
  2. Step 2: Convert to fraction form
    111,466.45/152,877.90 = 106,888.96/x
  3. Step 3: Cross multiply
    111,466.45x = 152,877.90 × 106,888.96
  4. Step 4: Simplify right side
    111,466.45x = 16,340,958,439.15
  5. Step 5: Solve for x
    x = 16,340,958,439.15/111,466.45
  6. Step 6: Final answer
    x = 146,599.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.