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Finding the Fourth Proportional to 71,054.96, 98,059.02 and 40,850.06

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Solution

The fourth proportional to 71,054.96, 98,059.02 and 40,850.06 is: 56,374.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,054.96 : 98,059.02 = 40,850.06 : x
  2. Step 2: Convert to fraction form
    71,054.96/98,059.02 = 40,850.06/x
  3. Step 3: Cross multiply
    71,054.96x = 98,059.02 × 40,850.06
  4. Step 4: Simplify right side
    71,054.96x = 4,005,716,850.54
  5. Step 5: Solve for x
    x = 4,005,716,850.54/71,054.96
  6. Step 6: Final answer
    x = 56,374.91

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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.