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Finding the Fourth Proportional to 70,334.90, 97,058.67 and 40,119.10

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Solution

The fourth proportional to 70,334.90, 97,058.67 and 40,119.10 is: 55,362.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,334.90 : 97,058.67 = 40,119.10 : x
  2. Step 2: Convert to fraction form
    70,334.90/97,058.67 = 40,119.10/x
  3. Step 3: Cross multiply
    70,334.90x = 97,058.67 × 40,119.10
  4. Step 4: Simplify right side
    70,334.90x = 3,893,906,487.60
  5. Step 5: Solve for x
    x = 3,893,906,487.60/70,334.90
  6. Step 6: Final answer
    x = 55,362.37

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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.