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Finding the Fourth Proportional to 148,342.62, 204,712.98 and 87,943.14

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Solution

The fourth proportional to 148,342.62, 204,712.98 and 87,943.14 is: 121,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,342.62 : 204,712.98 = 87,943.14 : x
  2. Step 2: Convert to fraction form
    148,342.62/204,712.98 = 87,943.14/x
  3. Step 3: Cross multiply
    148,342.62x = 204,712.98 × 87,943.14
  4. Step 4: Simplify right side
    148,342.62x = 18,003,102,259.96
  5. Step 5: Solve for x
    x = 18,003,102,259.96/148,342.62
  6. Step 6: Final answer
    x = 121,361.63

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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.