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Finding the Fourth Proportional to 118,484.31, 177,770.82 and 61,522.68

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Solution

The fourth proportional to 118,484.31, 177,770.82 and 61,522.68 is: 92,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,484.31 : 177,770.82 = 61,522.68 : x
  2. Step 2: Convert to fraction form
    118,484.31/177,770.82 = 61,522.68/x
  3. Step 3: Cross multiply
    118,484.31x = 177,770.82 × 61,522.68
  4. Step 4: Simplify right side
    118,484.31x = 10,936,937,272.20
  5. Step 5: Solve for x
    x = 10,936,937,272.20/118,484.31
  6. Step 6: Final answer
    x = 92,307.05

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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.