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Finding the Fourth Proportional to 117,928.51, 176,838.30 and 37,951.58

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Solution

The fourth proportional to 117,928.51, 176,838.30 and 37,951.58 is: 56,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,928.51 : 176,838.30 = 37,951.58 : x
  2. Step 2: Convert to fraction form
    117,928.51/176,838.30 = 37,951.58/x
  3. Step 3: Cross multiply
    117,928.51x = 176,838.30 × 37,951.58
  4. Step 4: Simplify right side
    117,928.51x = 6,711,293,331.61
  5. Step 5: Solve for x
    x = 6,711,293,331.61/117,928.51
  6. Step 6: Final answer
    x = 56,909.85

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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.