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Finding the Fourth Proportional to 148,415.84, 204,822.24 and 88,022.24

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Solution

The fourth proportional to 148,415.84, 204,822.24 and 88,022.24 is: 121,475.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,415.84 : 204,822.24 = 88,022.24 : x
  2. Step 2: Convert to fraction form
    148,415.84/204,822.24 = 88,022.24/x
  3. Step 3: Cross multiply
    148,415.84x = 204,822.24 × 88,022.24
  4. Step 4: Simplify right side
    148,415.84x = 18,028,912,366.62
  5. Step 5: Solve for x
    x = 18,028,912,366.62/148,415.84
  6. Step 6: Final answer
    x = 121,475.66

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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.