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Finding the Fourth Proportional to 166,695.60, 250,043.40 and 100,101.45

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Solution

The fourth proportional to 166,695.60, 250,043.40 and 100,101.45 is: 150,152.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,695.60 : 250,043.40 = 100,101.45 : x
  2. Step 2: Convert to fraction form
    166,695.60/250,043.40 = 100,101.45/x
  3. Step 3: Cross multiply
    166,695.60x = 250,043.40 × 100,101.45
  4. Step 4: Simplify right side
    166,695.60x = 25,029,706,902.93
  5. Step 5: Solve for x
    x = 25,029,706,902.93/166,695.60
  6. Step 6: Final answer
    x = 150,152.18

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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.