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Finding the Fourth Proportional to 84,773.68, 116,988 and 47,047.93

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Solution

The fourth proportional to 84,773.68, 116,988 and 47,047.93 is: 64,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,773.68 : 116,988 = 47,047.93 : x
  2. Step 2: Convert to fraction form
    84,773.68/116,988 = 47,047.93/x
  3. Step 3: Cross multiply
    84,773.68x = 116,988 × 47,047.93
  4. Step 4: Simplify right side
    84,773.68x = 5,504,043,234.84
  5. Step 5: Solve for x
    x = 5,504,043,234.84/84,773.68
  6. Step 6: Final answer
    x = 64,926.32

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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.