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Finding the Fourth Proportional to 239,685.98, 359,186.34 and 176,006.48

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Solution

The fourth proportional to 239,685.98, 359,186.34 and 176,006.48 is: 263,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,685.98 : 359,186.34 = 176,006.48 : x
  2. Step 2: Convert to fraction form
    239,685.98/359,186.34 = 176,006.48/x
  3. Step 3: Cross multiply
    239,685.98x = 359,186.34 × 176,006.48
  4. Step 4: Simplify right side
    239,685.98x = 63,219,123,367.48
  5. Step 5: Solve for x
    x = 63,219,123,367.48/239,685.98
  6. Step 6: Final answer
    x = 263,758.12

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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.