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Finding the Fourth Proportional to 71,574.01, 107,360.33 and 43,501.82

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Solution

The fourth proportional to 71,574.01, 107,360.33 and 43,501.82 is: 65,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,574.01 : 107,360.33 = 43,501.82 : x
  2. Step 2: Convert to fraction form
    71,574.01/107,360.33 = 43,501.82/x
  3. Step 3: Cross multiply
    71,574.01x = 107,360.33 × 43,501.82
  4. Step 4: Simplify right side
    71,574.01x = 4,670,368,996.49
  5. Step 5: Solve for x
    x = 4,670,368,996.49/71,574.01
  6. Step 6: Final answer
    x = 65,252.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.