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Finding the Fourth Proportional to 117,543.70, 176,056.35 and 62,074.90

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Solution

The fourth proportional to 117,543.70, 176,056.35 and 62,074.90 is: 92,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,543.70 : 176,056.35 = 62,074.90 : x
  2. Step 2: Convert to fraction form
    117,543.70/176,056.35 = 62,074.90/x
  3. Step 3: Cross multiply
    117,543.70x = 176,056.35 × 62,074.90
  4. Step 4: Simplify right side
    117,543.70x = 10,928,680,320.62
  5. Step 5: Solve for x
    x = 10,928,680,320.62/117,543.70
  6. Step 6: Final answer
    x = 92,975.47

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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.