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Finding the Fourth Proportional to 191,303.56, 263,841.70 and 169,809

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Solution

The fourth proportional to 191,303.56, 263,841.70 and 169,809 is: 234,196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,303.56 : 263,841.70 = 169,809 : x
  2. Step 2: Convert to fraction form
    191,303.56/263,841.70 = 169,809/x
  3. Step 3: Cross multiply
    191,303.56x = 263,841.70 × 169,809
  4. Step 4: Simplify right side
    191,303.56x = 44,802,695,235.30
  5. Step 5: Solve for x
    x = 44,802,695,235.30/191,303.56
  6. Step 6: Final answer
    x = 234,196.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.