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Finding the Fourth Proportional to 118,595.73, 163,669.37 and 68,310.93

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Solution

The fourth proportional to 118,595.73, 163,669.37 and 68,310.93 is: 94,273.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,595.73 : 163,669.37 = 68,310.93 : x
  2. Step 2: Convert to fraction form
    118,595.73/163,669.37 = 68,310.93/x
  3. Step 3: Cross multiply
    118,595.73x = 163,669.37 × 68,310.93
  4. Step 4: Simplify right side
    118,595.73x = 11,180,406,877.21
  5. Step 5: Solve for x
    x = 11,180,406,877.21/118,595.73
  6. Step 6: Final answer
    x = 94,273.27

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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.