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Finding the Fourth Proportional to 133,080.44, 183,651.44 and 85,333.98

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Solution

The fourth proportional to 133,080.44, 183,651.44 and 85,333.98 is: 117,761.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,080.44 : 183,651.44 = 85,333.98 : x
  2. Step 2: Convert to fraction form
    133,080.44/183,651.44 = 85,333.98/x
  3. Step 3: Cross multiply
    133,080.44x = 183,651.44 × 85,333.98
  4. Step 4: Simplify right side
    133,080.44x = 15,671,708,307.93
  5. Step 5: Solve for x
    x = 15,671,708,307.93/133,080.44
  6. Step 6: Final answer
    x = 117,761.17

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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.