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Finding the Fourth Proportional to 71,410.61, 98,557.16 and 41,190.02

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Solution

The fourth proportional to 71,410.61, 98,557.16 and 41,190.02 is: 56,848.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,410.61 : 98,557.16 = 41,190.02 : x
  2. Step 2: Convert to fraction form
    71,410.61/98,557.16 = 41,190.02/x
  3. Step 3: Cross multiply
    71,410.61x = 98,557.16 × 41,190.02
  4. Step 4: Simplify right side
    71,410.61x = 4,059,571,062.40
  5. Step 5: Solve for x
    x = 4,059,571,062.40/71,410.61
  6. Step 6: Final answer
    x = 56,848.29

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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.