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Finding the Fourth Proportional to 223,896.58, 308,650.86 and 170,088.17

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Solution

The fourth proportional to 223,896.58, 308,650.86 and 170,088.17 is: 234,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,896.58 : 308,650.86 = 170,088.17 : x
  2. Step 2: Convert to fraction form
    223,896.58/308,650.86 = 170,088.17/x
  3. Step 3: Cross multiply
    223,896.58x = 308,650.86 × 170,088.17
  4. Step 4: Simplify right side
    223,896.58x = 52,497,861,741.60
  5. Step 5: Solve for x
    x = 52,497,861,741.60/223,896.58
  6. Step 6: Final answer
    x = 234,473.72

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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.