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Finding the Fourth Proportional to 171,281.12, 256,857.84 and 58,929.92

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Solution

The fourth proportional to 171,281.12, 256,857.84 and 58,929.92 is: 88,372.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,281.12 : 256,857.84 = 58,929.92 : x
  2. Step 2: Convert to fraction form
    171,281.12/256,857.84 = 58,929.92/x
  3. Step 3: Cross multiply
    171,281.12x = 256,857.84 × 58,929.92
  4. Step 4: Simplify right side
    171,281.12x = 15,136,611,962.57
  5. Step 5: Solve for x
    x = 15,136,611,962.57/171,281.12
  6. Step 6: Final answer
    x = 88,372.92

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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.