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Finding the Fourth Proportional to 171,871.70, 258,001.95 and 92,945.30

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Solution

The fourth proportional to 171,871.70, 258,001.95 and 92,945.30 is: 139,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,871.70 : 258,001.95 = 92,945.30 : x
  2. Step 2: Convert to fraction form
    171,871.70/258,001.95 = 92,945.30/x
  3. Step 3: Cross multiply
    171,871.70x = 258,001.95 × 92,945.30
  4. Step 4: Simplify right side
    171,871.70x = 23,980,068,643.34
  5. Step 5: Solve for x
    x = 23,980,068,643.34/171,871.70
  6. Step 6: Final answer
    x = 139,523.08

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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.