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Finding the Fourth Proportional to 71,062.36, 98,055.56 and 40,848.96

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Solution

The fourth proportional to 71,062.36, 98,055.56 and 40,848.96 is: 56,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,062.36 : 98,055.56 = 40,848.96 : x
  2. Step 2: Convert to fraction form
    71,062.36/98,055.56 = 40,848.96/x
  3. Step 3: Cross multiply
    71,062.36x = 98,055.56 × 40,848.96
  4. Step 4: Simplify right side
    71,062.36x = 4,005,467,648.22
  5. Step 5: Solve for x
    x = 4,005,467,648.22/71,062.36
  6. Step 6: Final answer
    x = 56,365.53

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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.