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Finding the Fourth Proportional to 262,031.73, 361,491.71 and 171,230.07

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Solution

The fourth proportional to 262,031.73, 361,491.71 and 171,230.07 is: 236,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,031.73 : 361,491.71 = 171,230.07 : x
  2. Step 2: Convert to fraction form
    262,031.73/361,491.71 = 171,230.07/x
  3. Step 3: Cross multiply
    262,031.73x = 361,491.71 × 171,230.07
  4. Step 4: Simplify right side
    262,031.73x = 61,898,249,951.57
  5. Step 5: Solve for x
    x = 61,898,249,951.57/262,031.73
  6. Step 6: Final answer
    x = 236,224.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.