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Finding the Fourth Proportional to 85,292.41, 127,672.38 and 62,828.41

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Solution

The fourth proportional to 85,292.41, 127,672.38 and 62,828.41 is: 94,046.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,292.41 : 127,672.38 = 62,828.41 : x
  2. Step 2: Convert to fraction form
    85,292.41/127,672.38 = 62,828.41/x
  3. Step 3: Cross multiply
    85,292.41x = 127,672.38 × 62,828.41
  4. Step 4: Simplify right side
    85,292.41x = 8,021,452,636.32
  5. Step 5: Solve for x
    x = 8,021,452,636.32/85,292.41
  6. Step 6: Final answer
    x = 94,046.50

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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.