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Finding the Fourth Proportional to 170,257.61, 255,401.10 and 43,896.74

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Solution

The fourth proportional to 170,257.61, 255,401.10 and 43,896.74 is: 65,848.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,257.61 : 255,401.10 = 43,896.74 : x
  2. Step 2: Convert to fraction form
    170,257.61/255,401.10 = 43,896.74/x
  3. Step 3: Cross multiply
    170,257.61x = 255,401.10 × 43,896.74
  4. Step 4: Simplify right side
    170,257.61x = 11,211,274,405.41
  5. Step 5: Solve for x
    x = 11,211,274,405.41/170,257.61
  6. Step 6: Final answer
    x = 65,848.89

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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.