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Finding the Fourth Proportional to 171,035.80, 256,581.78 and 52,707.16

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Solution

The fourth proportional to 171,035.80, 256,581.78 and 52,707.16 is: 79,069.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,035.80 : 256,581.78 = 52,707.16 : x
  2. Step 2: Convert to fraction form
    171,035.80/256,581.78 = 52,707.16/x
  3. Step 3: Cross multiply
    171,035.80x = 256,581.78 × 52,707.16
  4. Step 4: Simplify right side
    171,035.80x = 13,523,696,931.54
  5. Step 5: Solve for x
    x = 13,523,696,931.54/171,035.80
  6. Step 6: Final answer
    x = 79,069.39

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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.