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Finding the Fourth Proportional to 176,972.52, 265,311.84 and 70,290.66

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Solution

The fourth proportional to 176,972.52, 265,311.84 and 70,290.66 is: 105,377.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,972.52 : 265,311.84 = 70,290.66 : x
  2. Step 2: Convert to fraction form
    176,972.52/265,311.84 = 70,290.66/x
  3. Step 3: Cross multiply
    176,972.52x = 265,311.84 × 70,290.66
  4. Step 4: Simplify right side
    176,972.52x = 18,648,944,339.41
  5. Step 5: Solve for x
    x = 18,648,944,339.41/176,972.52
  6. Step 6: Final answer
    x = 105,377.63

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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.