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Finding the Fourth Proportional to 113,327.84, 169,991.52 and 53,983.52

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Solution

The fourth proportional to 113,327.84, 169,991.52 and 53,983.52 is: 80,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,327.84 : 169,991.52 = 53,983.52 : x
  2. Step 2: Convert to fraction form
    113,327.84/169,991.52 = 53,983.52/x
  3. Step 3: Cross multiply
    113,327.84x = 169,991.52 × 53,983.52
  4. Step 4: Simplify right side
    113,327.84x = 9,176,740,619.75
  5. Step 5: Solve for x
    x = 9,176,740,619.75/113,327.84
  6. Step 6: Final answer
    x = 80,975.17

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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.