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Finding the Fourth Proportional to 171,078.48, 256,601.23 and 52,718.04

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Solution

The fourth proportional to 171,078.48, 256,601.23 and 52,718.04 is: 79,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,078.48 : 256,601.23 = 52,718.04 : x
  2. Step 2: Convert to fraction form
    171,078.48/256,601.23 = 52,718.04/x
  3. Step 3: Cross multiply
    171,078.48x = 256,601.23 × 52,718.04
  4. Step 4: Simplify right side
    171,078.48x = 13,527,513,643.60
  5. Step 5: Solve for x
    x = 13,527,513,643.60/171,078.48
  6. Step 6: Final answer
    x = 79,071.98

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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.