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Finding the Fourth Proportional to 86,777.96, 119,754.46 and 50,968.56

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Solution

The fourth proportional to 86,777.96, 119,754.46 and 50,968.56 is: 70,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,777.96 : 119,754.46 = 50,968.56 : x
  2. Step 2: Convert to fraction form
    86,777.96/119,754.46 = 50,968.56/x
  3. Step 3: Cross multiply
    86,777.96x = 119,754.46 × 50,968.56
  4. Step 4: Simplify right side
    86,777.96x = 6,103,712,379.78
  5. Step 5: Solve for x
    x = 6,103,712,379.78/86,777.96
  6. Step 6: Final answer
    x = 70,337.13

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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.