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Finding the Fourth Proportional to 159,347.25, 239,020.88 and 48,539.25

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Solution

The fourth proportional to 159,347.25, 239,020.88 and 48,539.25 is: 72,808.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,347.25 : 239,020.88 = 48,539.25 : x
  2. Step 2: Convert to fraction form
    159,347.25/239,020.88 = 48,539.25/x
  3. Step 3: Cross multiply
    159,347.25x = 239,020.88 × 48,539.25
  4. Step 4: Simplify right side
    159,347.25x = 11,601,894,006.84
  5. Step 5: Solve for x
    x = 11,601,894,006.84/159,347.25
  6. Step 6: Final answer
    x = 72,808.88

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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.