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Finding the Fourth Proportional to 92,990.54, 128,208.15 and 60,227.07

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Solution

The fourth proportional to 92,990.54, 128,208.15 and 60,227.07 is: 83,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,990.54 : 128,208.15 = 60,227.07 : x
  2. Step 2: Convert to fraction form
    92,990.54/128,208.15 = 60,227.07/x
  3. Step 3: Cross multiply
    92,990.54x = 128,208.15 × 60,227.07
  4. Step 4: Simplify right side
    92,990.54x = 7,721,601,224.62
  5. Step 5: Solve for x
    x = 7,721,601,224.62/92,990.54
  6. Step 6: Final answer
    x = 83,036.42

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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.