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Finding the Fourth Proportional to 92,090.38, 138,135.56 and 60,918.34

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Solution

The fourth proportional to 92,090.38, 138,135.56 and 60,918.34 is: 91,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,090.38 : 138,135.56 = 60,918.34 : x
  2. Step 2: Convert to fraction form
    92,090.38/138,135.56 = 60,918.34/x
  3. Step 3: Cross multiply
    92,090.38x = 138,135.56 × 60,918.34
  4. Step 4: Simplify right side
    92,090.38x = 8,414,989,010.17
  5. Step 5: Solve for x
    x = 8,414,989,010.17/92,090.38
  6. Step 6: Final answer
    x = 91,377.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.