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Finding the Fourth Proportional to 227,330.59, 340,995.82 and 77,570.86

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Solution

The fourth proportional to 227,330.59, 340,995.82 and 77,570.86 is: 116,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,330.59 : 340,995.82 = 77,570.86 : x
  2. Step 2: Convert to fraction form
    227,330.59/340,995.82 = 77,570.86/x
  3. Step 3: Cross multiply
    227,330.59x = 340,995.82 × 77,570.86
  4. Step 4: Simplify right side
    227,330.59x = 26,451,339,820.34
  5. Step 5: Solve for x
    x = 26,451,339,820.34/227,330.59
  6. Step 6: Final answer
    x = 116,356.27

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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.