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Finding the Fourth Proportional to 159,124.89, 238,669.50 and 40,799.01

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Solution

The fourth proportional to 159,124.89, 238,669.50 and 40,799.01 is: 61,193.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,124.89 : 238,669.50 = 40,799.01 : x
  2. Step 2: Convert to fraction form
    159,124.89/238,669.50 = 40,799.01/x
  3. Step 3: Cross multiply
    159,124.89x = 238,669.50 × 40,799.01
  4. Step 4: Simplify right side
    159,124.89x = 9,737,479,317.20
  5. Step 5: Solve for x
    x = 9,737,479,317.20/159,124.89
  6. Step 6: Final answer
    x = 61,193.94

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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.