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Finding the Fourth Proportional to 84,191.82, 116,184.96 and 45,951.72

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Solution

The fourth proportional to 84,191.82, 116,184.96 and 45,951.72 is: 63,413.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,191.82 : 116,184.96 = 45,951.72 : x
  2. Step 2: Convert to fraction form
    84,191.82/116,184.96 = 45,951.72/x
  3. Step 3: Cross multiply
    84,191.82x = 116,184.96 × 45,951.72
  4. Step 4: Simplify right side
    84,191.82x = 5,338,898,750.13
  5. Step 5: Solve for x
    x = 5,338,898,750.13/84,191.82
  6. Step 6: Final answer
    x = 63,413.51

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1.5x scale

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.