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Finding the Fourth Proportional to 235,428.91, 353,105.53 and 64,610.71

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Solution

The fourth proportional to 235,428.91, 353,105.53 and 64,610.71 is: 96,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,428.91 : 353,105.53 = 64,610.71 : x
  2. Step 2: Convert to fraction form
    235,428.91/353,105.53 = 64,610.71/x
  3. Step 3: Cross multiply
    235,428.91x = 353,105.53 × 64,610.71
  4. Step 4: Simplify right side
    235,428.91x = 22,814,399,331.61
  5. Step 5: Solve for x
    x = 22,814,399,331.61/235,428.91
  6. Step 6: Final answer
    x = 96,905.68

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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.