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Finding the Fourth Proportional to 110,706.60, 166,032.90 and 31,812.60

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Solution

The fourth proportional to 110,706.60, 166,032.90 and 31,812.60 is: 47,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,706.60 : 166,032.90 = 31,812.60 : x
  2. Step 2: Convert to fraction form
    110,706.60/166,032.90 = 31,812.60/x
  3. Step 3: Cross multiply
    110,706.60x = 166,032.90 × 31,812.60
  4. Step 4: Simplify right side
    110,706.60x = 5,281,938,234.54
  5. Step 5: Solve for x
    x = 5,281,938,234.54/110,706.60
  6. Step 6: Final answer
    x = 47,711.14

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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.