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Finding the Fourth Proportional to 118,180.83, 177,272.79 and 39,295.06

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Solution

The fourth proportional to 118,180.83, 177,272.79 and 39,295.06 is: 58,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,180.83 : 177,272.79 = 39,295.06 : x
  2. Step 2: Convert to fraction form
    118,180.83/177,272.79 = 39,295.06/x
  3. Step 3: Cross multiply
    118,180.83x = 177,272.79 × 39,295.06
  4. Step 4: Simplify right side
    118,180.83x = 6,965,944,574.47
  5. Step 5: Solve for x
    x = 6,965,944,574.47/118,180.83
  6. Step 6: Final answer
    x = 58,943.10

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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.