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Finding the Fourth Proportional to 94,052.34, 129,795.62 and 53,213.76

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Solution

The fourth proportional to 94,052.34, 129,795.62 and 53,213.76 is: 73,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,052.34 : 129,795.62 = 53,213.76 : x
  2. Step 2: Convert to fraction form
    94,052.34/129,795.62 = 53,213.76/x
  3. Step 3: Cross multiply
    94,052.34x = 129,795.62 × 53,213.76
  4. Step 4: Simplify right side
    94,052.34x = 6,906,912,705.66
  5. Step 5: Solve for x
    x = 6,906,912,705.66/94,052.34
  6. Step 6: Final answer
    x = 73,436.90

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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.