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Finding the Fourth Proportional to 164,648.57, 227,215.40 and 89,197.07

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Solution

The fourth proportional to 164,648.57, 227,215.40 and 89,197.07 is: 123,092.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,648.57 : 227,215.40 = 89,197.07 : x
  2. Step 2: Convert to fraction form
    164,648.57/227,215.40 = 89,197.07/x
  3. Step 3: Cross multiply
    164,648.57x = 227,215.40 × 89,197.07
  4. Step 4: Simplify right side
    164,648.57x = 20,266,946,356.82
  5. Step 5: Solve for x
    x = 20,266,946,356.82/164,648.57
  6. Step 6: Final answer
    x = 123,092.15

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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.