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Finding the Fourth Proportional to 171,154.32, 256,637.48 and 52,792.80

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Solution

The fourth proportional to 171,154.32, 256,637.48 and 52,792.80 is: 79,160.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,154.32 : 256,637.48 = 52,792.80 : x
  2. Step 2: Convert to fraction form
    171,154.32/256,637.48 = 52,792.80/x
  3. Step 3: Cross multiply
    171,154.32x = 256,637.48 × 52,792.80
  4. Step 4: Simplify right side
    171,154.32x = 13,548,611,154.14
  5. Step 5: Solve for x
    x = 13,548,611,154.14/171,154.32
  6. Step 6: Final answer
    x = 79,160.21

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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.