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Finding the Fourth Proportional to 227,277.68, 340,965.76 and 87,036.32

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Solution

The fourth proportional to 227,277.68, 340,965.76 and 87,036.32 is: 130,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,277.68 : 340,965.76 = 87,036.32 : x
  2. Step 2: Convert to fraction form
    227,277.68/340,965.76 = 87,036.32/x
  3. Step 3: Cross multiply
    227,277.68x = 340,965.76 × 87,036.32
  4. Step 4: Simplify right side
    227,277.68x = 29,676,404,996.40
  5. Step 5: Solve for x
    x = 29,676,404,996.40/227,277.68
  6. Step 6: Final answer
    x = 130,573.34

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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.