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Finding the Fourth Proportional to 110,804.52, 166,954.71 and 91,515.18

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Solution

The fourth proportional to 110,804.52, 166,954.71 and 91,515.18 is: 137,890.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,804.52 : 166,954.71 = 91,515.18 : x
  2. Step 2: Convert to fraction form
    110,804.52/166,954.71 = 91,515.18/x
  3. Step 3: Cross multiply
    110,804.52x = 166,954.71 × 91,515.18
  4. Step 4: Simplify right side
    110,804.52x = 15,278,890,337.50
  5. Step 5: Solve for x
    x = 15,278,890,337.50/110,804.52
  6. Step 6: Final answer
    x = 137,890.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.