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Finding the Fourth Proportional to 159,756.68, 239,665.74 and 61,253

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Solution

The fourth proportional to 159,756.68, 239,665.74 and 61,253 is: 91,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,756.68 : 239,665.74 = 61,253 : x
  2. Step 2: Convert to fraction form
    159,756.68/239,665.74 = 61,253/x
  3. Step 3: Cross multiply
    159,756.68x = 239,665.74 × 61,253
  4. Step 4: Simplify right side
    159,756.68x = 14,680,245,572.22
  5. Step 5: Solve for x
    x = 14,680,245,572.22/159,756.68
  6. Step 6: Final answer
    x = 91,891.28

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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.