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Finding the Fourth Proportional to 171,059.40, 256,564.80 and 58,744.80

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Solution

The fourth proportional to 171,059.40, 256,564.80 and 58,744.80 is: 88,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,059.40 : 256,564.80 = 58,744.80 : x
  2. Step 2: Convert to fraction form
    171,059.40/256,564.80 = 58,744.80/x
  3. Step 3: Cross multiply
    171,059.40x = 256,564.80 × 58,744.80
  4. Step 4: Simplify right side
    171,059.40x = 15,071,847,863.04
  5. Step 5: Solve for x
    x = 15,071,847,863.04/171,059.40
  6. Step 6: Final answer
    x = 88,108.85

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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.