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Finding the Fourth Proportional to 117,853.95, 176,764.32 and 61,675.59

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Solution

The fourth proportional to 117,853.95, 176,764.32 and 61,675.59 is: 92,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,853.95 : 176,764.32 = 61,675.59 : x
  2. Step 2: Convert to fraction form
    117,853.95/176,764.32 = 61,675.59/x
  3. Step 3: Cross multiply
    117,853.95x = 176,764.32 × 61,675.59
  4. Step 4: Simplify right side
    117,853.95x = 10,902,043,726.95
  5. Step 5: Solve for x
    x = 10,902,043,726.95/117,853.95
  6. Step 6: Final answer
    x = 92,504.70

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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.