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Finding the Fourth Proportional to 109,342.50, 150,892.00 and 61,611.23

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Solution

The fourth proportional to 109,342.50, 150,892.00 and 61,611.23 is: 85,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,342.50 : 150,892.00 = 61,611.23 : x
  2. Step 2: Convert to fraction form
    109,342.50/150,892.00 = 61,611.23/x
  3. Step 3: Cross multiply
    109,342.50x = 150,892.00 × 61,611.23
  4. Step 4: Simplify right side
    109,342.50x = 9,296,640,654.64
  5. Step 5: Solve for x
    x = 9,296,640,654.64/109,342.50
  6. Step 6: Final answer
    x = 85,023.12

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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.