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Finding the Fourth Proportional to 101,232.82, 151,849.77 and 66,393.10

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Solution

The fourth proportional to 101,232.82, 151,849.77 and 66,393.10 is: 99,590.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,232.82 : 151,849.77 = 66,393.10 : x
  2. Step 2: Convert to fraction form
    101,232.82/151,849.77 = 66,393.10/x
  3. Step 3: Cross multiply
    101,232.82x = 151,849.77 × 66,393.10
  4. Step 4: Simplify right side
    101,232.82x = 10,081,776,964.59
  5. Step 5: Solve for x
    x = 10,081,776,964.59/101,232.82
  6. Step 6: Final answer
    x = 99,590.00

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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.