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Finding the Fourth Proportional to 124,559, 171,895.07 and 67,974.02

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Solution

The fourth proportional to 124,559, 171,895.07 and 67,974.02 is: 93,806.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,559 : 171,895.07 = 67,974.02 : x
  2. Step 2: Convert to fraction form
    124,559/171,895.07 = 67,974.02/x
  3. Step 3: Cross multiply
    124,559x = 171,895.07 × 67,974.02
  4. Step 4: Simplify right side
    124,559x = 11,684,398,586.21
  5. Step 5: Solve for x
    x = 11,684,398,586.21/124,559
  6. Step 6: Final answer
    x = 93,806.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.