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Finding the Fourth Proportional to 117,770.91, 176,730.20 and 61,655.93

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Solution

The fourth proportional to 117,770.91, 176,730.20 and 61,655.93 is: 92,522.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,770.91 : 176,730.20 = 61,655.93 : x
  2. Step 2: Convert to fraction form
    117,770.91/176,730.20 = 61,655.93/x
  3. Step 3: Cross multiply
    117,770.91x = 176,730.20 × 61,655.93
  4. Step 4: Simplify right side
    117,770.91x = 10,896,465,883.03
  5. Step 5: Solve for x
    x = 10,896,465,883.03/117,770.91
  6. Step 6: Final answer
    x = 92,522.56

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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.