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Finding the Fourth Proportional to 233,191.20, 349,930.80 and 92,935.20

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Solution

The fourth proportional to 233,191.20, 349,930.80 and 92,935.20 is: 139,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,191.20 : 349,930.80 = 92,935.20 : x
  2. Step 2: Convert to fraction form
    233,191.20/349,930.80 = 92,935.20/x
  3. Step 3: Cross multiply
    233,191.20x = 349,930.80 × 92,935.20
  4. Step 4: Simplify right side
    233,191.20x = 32,520,888,884.16
  5. Step 5: Solve for x
    x = 32,520,888,884.16/233,191.20
  6. Step 6: Final answer
    x = 139,460.19

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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.