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Finding the Fourth Proportional to 159,907.50, 239,861.25 and 49,099.50

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Solution

The fourth proportional to 159,907.50, 239,861.25 and 49,099.50 is: 73,649.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,907.50 : 239,861.25 = 49,099.50 : x
  2. Step 2: Convert to fraction form
    159,907.50/239,861.25 = 49,099.50/x
  3. Step 3: Cross multiply
    159,907.50x = 239,861.25 × 49,099.50
  4. Step 4: Simplify right side
    159,907.50x = 11,777,067,444.38
  5. Step 5: Solve for x
    x = 11,777,067,444.38/159,907.50
  6. Step 6: Final answer
    x = 73,649.25

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1.5x scale

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.