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Finding the Fourth Proportional to 118,959.53, 164,078.08 and 101,026.13

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Solution

The fourth proportional to 118,959.53, 164,078.08 and 101,026.13 is: 139,342.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,959.53 : 164,078.08 = 101,026.13 : x
  2. Step 2: Convert to fraction form
    118,959.53/164,078.08 = 101,026.13/x
  3. Step 3: Cross multiply
    118,959.53x = 164,078.08 × 101,026.13
  4. Step 4: Simplify right side
    118,959.53x = 16,576,172,367.27
  5. Step 5: Solve for x
    x = 16,576,172,367.27/118,959.53
  6. Step 6: Final answer
    x = 139,342.96

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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.