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Finding the Fourth Proportional to 124,232.56, 171,440.94 and 67,643.94

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Solution

The fourth proportional to 124,232.56, 171,440.94 and 67,643.94 is: 93,348.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,232.56 : 171,440.94 = 67,643.94 : x
  2. Step 2: Convert to fraction form
    124,232.56/171,440.94 = 67,643.94/x
  3. Step 3: Cross multiply
    124,232.56x = 171,440.94 × 67,643.94
  4. Step 4: Simplify right side
    124,232.56x = 11,596,940,061.19
  5. Step 5: Solve for x
    x = 11,596,940,061.19/124,232.56
  6. Step 6: Final answer
    x = 93,348.63

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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.