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Finding the Fourth Proportional to 114,011.92, 171,029.22 and 93,149.56

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Solution

The fourth proportional to 114,011.92, 171,029.22 and 93,149.56 is: 139,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,011.92 : 171,029.22 = 93,149.56 : x
  2. Step 2: Convert to fraction form
    114,011.92/171,029.22 = 93,149.56/x
  3. Step 3: Cross multiply
    114,011.92x = 171,029.22 × 93,149.56
  4. Step 4: Simplify right side
    114,011.92x = 15,931,296,590.14
  5. Step 5: Solve for x
    x = 15,931,296,590.14/114,011.92
  6. Step 6: Final answer
    x = 139,733.60

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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.