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Finding the Fourth Proportional to 86,602.82, 119,529.69 and 50,811.62

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Solution

The fourth proportional to 86,602.82, 119,529.69 and 50,811.62 is: 70,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,602.82 : 119,529.69 = 50,811.62 : x
  2. Step 2: Convert to fraction form
    86,602.82/119,529.69 = 50,811.62/x
  3. Step 3: Cross multiply
    86,602.82x = 119,529.69 × 50,811.62
  4. Step 4: Simplify right side
    86,602.82x = 6,073,497,187.00
  5. Step 5: Solve for x
    x = 6,073,497,187.00/86,602.82
  6. Step 6: Final answer
    x = 70,130.48

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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.