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Finding the Fourth Proportional to 171,218.21, 256,763.46 and 58,866.62

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Solution

The fourth proportional to 171,218.21, 256,763.46 and 58,866.62 is: 88,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,218.21 : 256,763.46 = 58,866.62 : x
  2. Step 2: Convert to fraction form
    171,218.21/256,763.46 = 58,866.62/x
  3. Step 3: Cross multiply
    171,218.21x = 256,763.46 × 58,866.62
  4. Step 4: Simplify right side
    171,218.21x = 15,114,797,029.71
  5. Step 5: Solve for x
    x = 15,114,797,029.71/171,218.21
  6. Step 6: Final answer
    x = 88,277.98

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1.5x scale

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.