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Finding the Fourth Proportional to 73,710.38, 101,713.30 and 43,090.64

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Solution

The fourth proportional to 73,710.38, 101,713.30 and 43,090.64 is: 59,460.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,710.38 : 101,713.30 = 43,090.64 : x
  2. Step 2: Convert to fraction form
    73,710.38/101,713.30 = 43,090.64/x
  3. Step 3: Cross multiply
    73,710.38x = 101,713.30 × 43,090.64
  4. Step 4: Simplify right side
    73,710.38x = 4,382,890,684.95
  5. Step 5: Solve for x
    x = 4,382,890,684.95/73,710.38
  6. Step 6: Final answer
    x = 59,460.97

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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.