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Finding the Fourth Proportional to 86,252.69, 119,031.86 and 48,014.21

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Solution

The fourth proportional to 86,252.69, 119,031.86 and 48,014.21 is: 66,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,252.69 : 119,031.86 = 48,014.21 : x
  2. Step 2: Convert to fraction form
    86,252.69/119,031.86 = 48,014.21/x
  3. Step 3: Cross multiply
    86,252.69x = 119,031.86 × 48,014.21
  4. Step 4: Simplify right side
    86,252.69x = 5,715,220,722.73
  5. Step 5: Solve for x
    x = 5,715,220,722.73/86,252.69
  6. Step 6: Final answer
    x = 66,261.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.