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Finding the Fourth Proportional to 117,848.88, 176,773.80 and 47,729.52

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Solution

The fourth proportional to 117,848.88, 176,773.80 and 47,729.52 is: 71,594.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,848.88 : 176,773.80 = 47,729.52 : x
  2. Step 2: Convert to fraction form
    117,848.88/176,773.80 = 47,729.52/x
  3. Step 3: Cross multiply
    117,848.88x = 176,773.80 × 47,729.52
  4. Step 4: Simplify right side
    117,848.88x = 8,437,328,622.58
  5. Step 5: Solve for x
    x = 8,437,328,622.58/117,848.88
  6. Step 6: Final answer
    x = 71,594.47

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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.