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Finding the Fourth Proportional to 229,518.56, 316,773.18 and 191,217.38

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Solution

The fourth proportional to 229,518.56, 316,773.18 and 191,217.38 is: 263,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,518.56 : 316,773.18 = 191,217.38 : x
  2. Step 2: Convert to fraction form
    229,518.56/316,773.18 = 191,217.38/x
  3. Step 3: Cross multiply
    229,518.56x = 316,773.18 × 191,217.38
  4. Step 4: Simplify right side
    229,518.56x = 60,572,535,950.00
  5. Step 5: Solve for x
    x = 60,572,535,950.00/229,518.56
  6. Step 6: Final answer
    x = 263,911.27

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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.