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Finding the Fourth Proportional to 118,090.94, 162,959.46 and 64,370.66

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Solution

The fourth proportional to 118,090.94, 162,959.46 and 64,370.66 is: 88,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,090.94 : 162,959.46 = 64,370.66 : x
  2. Step 2: Convert to fraction form
    118,090.94/162,959.46 = 64,370.66/x
  3. Step 3: Cross multiply
    118,090.94x = 162,959.46 × 64,370.66
  4. Step 4: Simplify right side
    118,090.94x = 10,489,807,993.44
  5. Step 5: Solve for x
    x = 10,489,807,993.44/118,090.94
  6. Step 6: Final answer
    x = 88,828.22

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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.