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Finding the Fourth Proportional to 132,058.60, 197,796.30 and 84,819.40

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Solution

The fourth proportional to 132,058.60, 197,796.30 and 84,819.40 is: 127,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,058.60 : 197,796.30 = 84,819.40 : x
  2. Step 2: Convert to fraction form
    132,058.60/197,796.30 = 84,819.40/x
  3. Step 3: Cross multiply
    132,058.60x = 197,796.30 × 84,819.40
  4. Step 4: Simplify right side
    132,058.60x = 16,776,963,488.22
  5. Step 5: Solve for x
    x = 16,776,963,488.22/132,058.60
  6. Step 6: Final answer
    x = 127,041.81

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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.