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Finding the Fourth Proportional to 117,771.91, 176,731.71 and 61,656.93

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Solution

The fourth proportional to 117,771.91, 176,731.71 and 61,656.93 is: 92,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,771.91 : 176,731.71 = 61,656.93 : x
  2. Step 2: Convert to fraction form
    117,771.91/176,731.71 = 61,656.93/x
  3. Step 3: Cross multiply
    117,771.91x = 176,731.71 × 61,656.93
  4. Step 4: Simplify right side
    117,771.91x = 10,896,734,672.25
  5. Step 5: Solve for x
    x = 10,896,734,672.25/117,771.91
  6. Step 6: Final answer
    x = 92,524.05

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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.