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Finding the Fourth Proportional to 235,129.92, 352,690.02 and 57,637.86

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Solution

The fourth proportional to 235,129.92, 352,690.02 and 57,637.86 is: 86,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,129.92 : 352,690.02 = 57,637.86 : x
  2. Step 2: Convert to fraction form
    235,129.92/352,690.02 = 57,637.86/x
  3. Step 3: Cross multiply
    235,129.92x = 352,690.02 × 57,637.86
  4. Step 4: Simplify right side
    235,129.92x = 20,328,297,996.16
  5. Step 5: Solve for x
    x = 20,328,297,996.16/235,129.92
  6. Step 6: Final answer
    x = 86,455.60

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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.