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Finding the Fourth Proportional to 86,411.88, 119,263.86 and 50,599.80

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Solution

The fourth proportional to 86,411.88, 119,263.86 and 50,599.80 is: 69,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,411.88 : 119,263.86 = 50,599.80 : x
  2. Step 2: Convert to fraction form
    86,411.88/119,263.86 = 50,599.80/x
  3. Step 3: Cross multiply
    86,411.88x = 119,263.86 × 50,599.80
  4. Step 4: Simplify right side
    86,411.88x = 6,034,727,463.23
  5. Step 5: Solve for x
    x = 6,034,727,463.23/86,411.88
  6. Step 6: Final answer
    x = 69,836.78

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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.