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Finding the Fourth Proportional to 159,990.95, 240,000.20 and 41,662.50

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Solution

The fourth proportional to 159,990.95, 240,000.20 and 41,662.50 is: 62,497.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,990.95 : 240,000.20 = 41,662.50 : x
  2. Step 2: Convert to fraction form
    159,990.95/240,000.20 = 41,662.50/x
  3. Step 3: Cross multiply
    159,990.95x = 240,000.20 × 41,662.50
  4. Step 4: Simplify right side
    159,990.95x = 9,999,008,124.19
  5. Step 5: Solve for x
    x = 9,999,008,124.19/159,990.95
  6. Step 6: Final answer
    x = 62,497.34

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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.