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Finding the Fourth Proportional to 86,611.77, 119,498.10 and 50,306.22

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Solution

The fourth proportional to 86,611.77, 119,498.10 and 50,306.22 is: 69,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,611.77 : 119,498.10 = 50,306.22 : x
  2. Step 2: Convert to fraction form
    86,611.77/119,498.10 = 50,306.22/x
  3. Step 3: Cross multiply
    86,611.77x = 119,498.10 × 50,306.22
  4. Step 4: Simplify right side
    86,611.77x = 6,011,497,708.18
  5. Step 5: Solve for x
    x = 6,011,497,708.18/86,611.77
  6. Step 6: Final answer
    x = 69,407.40

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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.