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Finding the Fourth Proportional to 148,199.88, 204,496.77 and 84,533.88

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Solution

The fourth proportional to 148,199.88, 204,496.77 and 84,533.88 is: 116,645.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,199.88 : 204,496.77 = 84,533.88 : x
  2. Step 2: Convert to fraction form
    148,199.88/204,496.77 = 84,533.88/x
  3. Step 3: Cross multiply
    148,199.88x = 204,496.77 × 84,533.88
  4. Step 4: Simplify right side
    148,199.88x = 17,286,905,415.57
  5. Step 5: Solve for x
    x = 17,286,905,415.57/148,199.88
  6. Step 6: Final answer
    x = 116,645.88

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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.