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Finding the Fourth Proportional to 124,472.64, 171,767.04 and 67,880.64

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Solution

The fourth proportional to 124,472.64, 171,767.04 and 67,880.64 is: 93,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,472.64 : 171,767.04 = 67,880.64 : x
  2. Step 2: Convert to fraction form
    124,472.64/171,767.04 = 67,880.64/x
  3. Step 3: Cross multiply
    124,472.64x = 171,767.04 × 67,880.64
  4. Step 4: Simplify right side
    124,472.64x = 11,659,656,606.11
  5. Step 5: Solve for x
    x = 11,659,656,606.11/124,472.64
  6. Step 6: Final answer
    x = 93,672.45

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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.