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Finding the Fourth Proportional to 86,709.98, 119,675.00 and 50,422.66

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Solution

The fourth proportional to 86,709.98, 119,675.00 and 50,422.66 is: 69,592.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,709.98 : 119,675.00 = 50,422.66 : x
  2. Step 2: Convert to fraction form
    86,709.98/119,675.00 = 50,422.66/x
  3. Step 3: Cross multiply
    86,709.98x = 119,675.00 × 50,422.66
  4. Step 4: Simplify right side
    86,709.98x = 6,034,331,662.37
  5. Step 5: Solve for x
    x = 6,034,331,662.37/86,709.98
  6. Step 6: Final answer
    x = 69,592.12

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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.