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Finding the Fourth Proportional to 118,058.22, 162,919.31 and 64,343.22

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Solution

The fourth proportional to 118,058.22, 162,919.31 and 64,343.22 is: 88,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,058.22 : 162,919.31 = 64,343.22 : x
  2. Step 2: Convert to fraction form
    118,058.22/162,919.31 = 64,343.22/x
  3. Step 3: Cross multiply
    118,058.22x = 162,919.31 × 64,343.22
  4. Step 4: Simplify right side
    118,058.22x = 10,482,753,005.58
  5. Step 5: Solve for x
    x = 10,482,753,005.58/118,058.22
  6. Step 6: Final answer
    x = 88,793.08

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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.