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Finding the Fourth Proportional to 227,648.40, 341,472.60 and 69,856.35

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Solution

The fourth proportional to 227,648.40, 341,472.60 and 69,856.35 is: 104,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,648.40 : 341,472.60 = 69,856.35 : x
  2. Step 2: Convert to fraction form
    227,648.40/341,472.60 = 69,856.35/x
  3. Step 3: Cross multiply
    227,648.40x = 341,472.60 × 69,856.35
  4. Step 4: Simplify right side
    227,648.40x = 23,854,029,461.01
  5. Step 5: Solve for x
    x = 23,854,029,461.01/227,648.40
  6. Step 6: Final answer
    x = 104,784.53

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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.