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Finding the Fourth Proportional to 115,192.40, 158,946.23 and 64,193.94

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Solution

The fourth proportional to 115,192.40, 158,946.23 and 64,193.94 is: 88,576.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,192.40 : 158,946.23 = 64,193.94 : x
  2. Step 2: Convert to fraction form
    115,192.40/158,946.23 = 64,193.94/x
  3. Step 3: Cross multiply
    115,192.40x = 158,946.23 × 64,193.94
  4. Step 4: Simplify right side
    115,192.40x = 10,203,384,912.33
  5. Step 5: Solve for x
    x = 10,203,384,912.33/115,192.40
  6. Step 6: Final answer
    x = 88,576.89

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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.