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Finding the Fourth Proportional to 107,994.80, 161,986.14 and 33,114.74

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Solution

The fourth proportional to 107,994.80, 161,986.14 and 33,114.74 is: 49,670.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,994.80 : 161,986.14 = 33,114.74 : x
  2. Step 2: Convert to fraction form
    107,994.80/161,986.14 = 33,114.74/x
  3. Step 3: Cross multiply
    107,994.80x = 161,986.14 × 33,114.74
  4. Step 4: Simplify right side
    107,994.80x = 5,364,128,099.77
  5. Step 5: Solve for x
    x = 5,364,128,099.77/107,994.80
  6. Step 6: Final answer
    x = 49,670.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.