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Finding the Fourth Proportional to 252,618.90, 348,431.67 and 171,904.02

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Solution

The fourth proportional to 252,618.90, 348,431.67 and 171,904.02 is: 237,103.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,618.90 : 348,431.67 = 171,904.02 : x
  2. Step 2: Convert to fraction form
    252,618.90/348,431.67 = 171,904.02/x
  3. Step 3: Cross multiply
    252,618.90x = 348,431.67 × 171,904.02
  4. Step 4: Simplify right side
    252,618.90x = 59,896,804,768.31
  5. Step 5: Solve for x
    x = 59,896,804,768.31/252,618.90
  6. Step 6: Final answer
    x = 237,103.42

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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.