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Finding the Fourth Proportional to 171,153.57, 256,636.36 and 52,792.05

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Solution

The fourth proportional to 171,153.57, 256,636.36 and 52,792.05 is: 79,159.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,153.57 : 256,636.36 = 52,792.05 : x
  2. Step 2: Convert to fraction form
    171,153.57/256,636.36 = 52,792.05/x
  3. Step 3: Cross multiply
    171,153.57x = 256,636.36 × 52,792.05
  4. Step 4: Simplify right side
    171,153.57x = 13,548,359,284.98
  5. Step 5: Solve for x
    x = 13,548,359,284.98/171,153.57
  6. Step 6: Final answer
    x = 79,159.08

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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.