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Finding the Fourth Proportional to 150,325.64, 207,452.70 and 85,793.58

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Solution

The fourth proportional to 150,325.64, 207,452.70 and 85,793.58 is: 118,397.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,325.64 : 207,452.70 = 85,793.58 : x
  2. Step 2: Convert to fraction form
    150,325.64/207,452.70 = 85,793.58/x
  3. Step 3: Cross multiply
    150,325.64x = 207,452.70 × 85,793.58
  4. Step 4: Simplify right side
    150,325.64x = 17,798,109,813.67
  5. Step 5: Solve for x
    x = 17,798,109,813.67/150,325.64
  6. Step 6: Final answer
    x = 118,397.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.