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Finding the Fourth Proportional to 110,862.60, 166,277.70 and 31,968.60

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Solution

The fourth proportional to 110,862.60, 166,277.70 and 31,968.60 is: 47,948.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,862.60 : 166,277.70 = 31,968.60 : x
  2. Step 2: Convert to fraction form
    110,862.60/166,277.70 = 31,968.60/x
  3. Step 3: Cross multiply
    110,862.60x = 166,277.70 × 31,968.60
  4. Step 4: Simplify right side
    110,862.60x = 5,315,665,280.22
  5. Step 5: Solve for x
    x = 5,315,665,280.22/110,862.60
  6. Step 6: Final answer
    x = 47,948.23

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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.