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Finding the Fourth Proportional to 233,358.40, 349,807.20 and 114,932.80

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Solution

The fourth proportional to 233,358.40, 349,807.20 and 114,932.80 is: 172,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,358.40 : 349,807.20 = 114,932.80 : x
  2. Step 2: Convert to fraction form
    233,358.40/349,807.20 = 114,932.80/x
  3. Step 3: Cross multiply
    233,358.40x = 349,807.20 × 114,932.80
  4. Step 4: Simplify right side
    233,358.40x = 40,204,320,956.16
  5. Step 5: Solve for x
    x = 40,204,320,956.16/233,358.40
  6. Step 6: Final answer
    x = 172,285.72

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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.