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Finding the Fourth Proportional to 96,064.88, 143,802.04 and 81,893.12

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Solution

The fourth proportional to 96,064.88, 143,802.04 and 81,893.12 is: 122,587.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,064.88 : 143,802.04 = 81,893.12 : x
  2. Step 2: Convert to fraction form
    96,064.88/143,802.04 = 81,893.12/x
  3. Step 3: Cross multiply
    96,064.88x = 143,802.04 × 81,893.12
  4. Step 4: Simplify right side
    96,064.88x = 11,776,397,717.96
  5. Step 5: Solve for x
    x = 11,776,397,717.96/96,064.88
  6. Step 6: Final answer
    x = 122,587.96

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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.