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Finding the Fourth Proportional to 176,786.31, 265,153.14 and 58,458.27

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Solution

The fourth proportional to 176,786.31, 265,153.14 and 58,458.27 is: 87,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,786.31 : 265,153.14 = 58,458.27 : x
  2. Step 2: Convert to fraction form
    176,786.31/265,153.14 = 58,458.27/x
  3. Step 3: Cross multiply
    176,786.31x = 265,153.14 × 58,458.27
  4. Step 4: Simplify right side
    176,786.31x = 15,500,393,849.47
  5. Step 5: Solve for x
    x = 15,500,393,849.47/176,786.31
  6. Step 6: Final answer
    x = 87,678.70

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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.