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Finding the Fourth Proportional to 110,687.34, 166,059.08 and 31,801.61

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Solution

The fourth proportional to 110,687.34, 166,059.08 and 31,801.61 is: 47,710.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,687.34 : 166,059.08 = 31,801.61 : x
  2. Step 2: Convert to fraction form
    110,687.34/166,059.08 = 31,801.61/x
  3. Step 3: Cross multiply
    110,687.34x = 166,059.08 × 31,801.61
  4. Step 4: Simplify right side
    110,687.34x = 5,280,946,474.51
  5. Step 5: Solve for x
    x = 5,280,946,474.51/110,687.34
  6. Step 6: Final answer
    x = 47,710.48

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1.5x scale

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.