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Finding the Fourth Proportional to 239,462.14, 358,649.49 and 185,722.72

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Solution

The fourth proportional to 239,462.14, 358,649.49 and 185,722.72 is: 278,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,462.14 : 358,649.49 = 185,722.72 : x
  2. Step 2: Convert to fraction form
    239,462.14/358,649.49 = 185,722.72/x
  3. Step 3: Cross multiply
    239,462.14x = 358,649.49 × 185,722.72
  4. Step 4: Simplify right side
    239,462.14x = 66,609,358,809.41
  5. Step 5: Solve for x
    x = 66,609,358,809.41/239,462.14
  6. Step 6: Final answer
    x = 278,162.38

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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.