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Finding the Fourth Proportional to 176,872.20, 265,308.30 and 159,376.20

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Solution

The fourth proportional to 176,872.20, 265,308.30 and 159,376.20 is: 239,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,872.20 : 265,308.30 = 159,376.20 : x
  2. Step 2: Convert to fraction form
    176,872.20/265,308.30 = 159,376.20/x
  3. Step 3: Cross multiply
    176,872.20x = 265,308.30 × 159,376.20
  4. Step 4: Simplify right side
    176,872.20x = 42,283,828,682.46
  5. Step 5: Solve for x
    x = 42,283,828,682.46/176,872.20
  6. Step 6: Final answer
    x = 239,064.30

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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.