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Finding the Fourth Proportional to 245,764.71, 368,174.75 and 150,717.74

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Solution

The fourth proportional to 245,764.71, 368,174.75 and 150,717.74 is: 225,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,764.71 : 368,174.75 = 150,717.74 : x
  2. Step 2: Convert to fraction form
    245,764.71/368,174.75 = 150,717.74/x
  3. Step 3: Cross multiply
    245,764.71x = 368,174.75 × 150,717.74
  4. Step 4: Simplify right side
    245,764.71x = 55,490,463,650.60
  5. Step 5: Solve for x
    x = 55,490,463,650.60/245,764.71
  6. Step 6: Final answer
    x = 225,786.95

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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.