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Finding the Fourth Proportional to 118,566.66, 177,911.34 and 52,053.51

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Solution

The fourth proportional to 118,566.66, 177,911.34 and 52,053.51 is: 78,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,566.66 : 177,911.34 = 52,053.51 : x
  2. Step 2: Convert to fraction form
    118,566.66/177,911.34 = 52,053.51/x
  3. Step 3: Cross multiply
    118,566.66x = 177,911.34 × 52,053.51
  4. Step 4: Simplify right side
    118,566.66x = 9,260,909,715.80
  5. Step 5: Solve for x
    x = 9,260,909,715.80/118,566.66
  6. Step 6: Final answer
    x = 78,107.20

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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.