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Finding the Fourth Proportional to 131,806, 197,688.04 and 43,058.80

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Solution

The fourth proportional to 131,806, 197,688.04 and 43,058.80 is: 64,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,806 : 197,688.04 = 43,058.80 : x
  2. Step 2: Convert to fraction form
    131,806/197,688.04 = 43,058.80/x
  3. Step 3: Cross multiply
    131,806x = 197,688.04 × 43,058.80
  4. Step 4: Simplify right side
    131,806x = 8,512,209,776.75
  5. Step 5: Solve for x
    x = 8,512,209,776.75/131,806
  6. Step 6: Final answer
    x = 64,581.35

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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.