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Finding the Fourth Proportional to 227,547.82, 341,326.65 and 69,772.78

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Solution

The fourth proportional to 227,547.82, 341,326.65 and 69,772.78 is: 104,660.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,547.82 : 341,326.65 = 69,772.78 : x
  2. Step 2: Convert to fraction form
    227,547.82/341,326.65 = 69,772.78/x
  3. Step 3: Cross multiply
    227,547.82x = 341,326.65 × 69,772.78
  4. Step 4: Simplify right side
    227,547.82x = 23,815,309,258.59
  5. Step 5: Solve for x
    x = 23,815,309,258.59/227,547.82
  6. Step 6: Final answer
    x = 104,660.68

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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.