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Finding the Fourth Proportional to 272,706.32, 376,244.52 and 159,448.88

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Solution

The fourth proportional to 272,706.32, 376,244.52 and 159,448.88 is: 219,986.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,706.32 : 376,244.52 = 159,448.88 : x
  2. Step 2: Convert to fraction form
    272,706.32/376,244.52 = 159,448.88/x
  3. Step 3: Cross multiply
    272,706.32x = 376,244.52 × 159,448.88
  4. Step 4: Simplify right side
    272,706.32x = 59,991,767,320.14
  5. Step 5: Solve for x
    x = 59,991,767,320.14/272,706.32
  6. Step 6: Final answer
    x = 219,986.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.