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Finding the Fourth Proportional to 176,937.45, 265,404.55 and 71,731.41

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Solution

The fourth proportional to 176,937.45, 265,404.55 and 71,731.41 is: 107,596.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,937.45 : 265,404.55 = 71,731.41 : x
  2. Step 2: Convert to fraction form
    176,937.45/265,404.55 = 71,731.41/x
  3. Step 3: Cross multiply
    176,937.45x = 265,404.55 × 71,731.41
  4. Step 4: Simplify right side
    176,937.45x = 19,037,842,591.92
  5. Step 5: Solve for x
    x = 19,037,842,591.92/176,937.45
  6. Step 6: Final answer
    x = 107,596.46

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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.