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Finding the Fourth Proportional to 124,548.62, 171,875.67 and 67,960.94

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Solution

The fourth proportional to 124,548.62, 171,875.67 and 67,960.94 is: 93,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,548.62 : 171,875.67 = 67,960.94 : x
  2. Step 2: Convert to fraction form
    124,548.62/171,875.67 = 67,960.94/x
  3. Step 3: Cross multiply
    124,548.62x = 171,875.67 × 67,960.94
  4. Step 4: Simplify right side
    124,548.62x = 11,680,832,096.33
  5. Step 5: Solve for x
    x = 11,680,832,096.33/124,548.62
  6. Step 6: Final answer
    x = 93,785.32

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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.