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Finding the Fourth Proportional to 85,270.73, 127,994.81 and 62,806.77

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Solution

The fourth proportional to 85,270.73, 127,994.81 and 62,806.77 is: 94,275.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,270.73 : 127,994.81 = 62,806.77 : x
  2. Step 2: Convert to fraction form
    85,270.73/127,994.81 = 62,806.77/x
  3. Step 3: Cross multiply
    85,270.73x = 127,994.81 × 62,806.77
  4. Step 4: Simplify right side
    85,270.73x = 8,038,940,278.83
  5. Step 5: Solve for x
    x = 8,038,940,278.83/85,270.73
  6. Step 6: Final answer
    x = 94,275.50

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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.