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Finding the Fourth Proportional to 155,550.61, 214,671.66 and 94,314.61

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Solution

The fourth proportional to 155,550.61, 214,671.66 and 94,314.61 is: 130,161.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,550.61 : 214,671.66 = 94,314.61 : x
  2. Step 2: Convert to fraction form
    155,550.61/214,671.66 = 94,314.61/x
  3. Step 3: Cross multiply
    155,550.61x = 214,671.66 × 94,314.61
  4. Step 4: Simplify right side
    155,550.61x = 20,246,673,890.95
  5. Step 5: Solve for x
    x = 20,246,673,890.95/155,550.61
  6. Step 6: Final answer
    x = 130,161.33

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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.