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Finding the Fourth Proportional to 248,494.31, 372,741.40 and 71,001.32

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Solution

The fourth proportional to 248,494.31, 372,741.40 and 71,001.32 is: 106,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,494.31 : 372,741.40 = 71,001.32 : x
  2. Step 2: Convert to fraction form
    248,494.31/372,741.40 = 71,001.32/x
  3. Step 3: Cross multiply
    248,494.31x = 372,741.40 × 71,001.32
  4. Step 4: Simplify right side
    248,494.31x = 26,465,129,199.93
  5. Step 5: Solve for x
    x = 26,465,129,199.93/248,494.31
  6. Step 6: Final answer
    x = 106,501.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.