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Finding the Fourth Proportional to 242,176.98, 363,068.63 and 84,516.15

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Solution

The fourth proportional to 242,176.98, 363,068.63 and 84,516.15 is: 126,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,176.98 : 363,068.63 = 84,516.15 : x
  2. Step 2: Convert to fraction form
    242,176.98/363,068.63 = 84,516.15/x
  3. Step 3: Cross multiply
    242,176.98x = 363,068.63 × 84,516.15
  4. Step 4: Simplify right side
    242,176.98x = 30,685,162,793.37
  5. Step 5: Solve for x
    x = 30,685,162,793.37/242,176.98
  6. Step 6: Final answer
    x = 126,705.53

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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.