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Finding the Fourth Proportional to 95,643.52, 143,484.64 and 33,318.88

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Solution

The fourth proportional to 95,643.52, 143,484.64 and 33,318.88 is: 49,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,643.52 : 143,484.64 = 33,318.88 : x
  2. Step 2: Convert to fraction form
    95,643.52/143,484.64 = 33,318.88/x
  3. Step 3: Cross multiply
    95,643.52x = 143,484.64 × 33,318.88
  4. Step 4: Simplify right side
    95,643.52x = 4,780,747,502.00
  5. Step 5: Solve for x
    x = 4,780,747,502.00/95,643.52
  6. Step 6: Final answer
    x = 49,985.06

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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.