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Finding the Fourth Proportional to 112,637.94, 168,981.21 and 33,759.06

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Solution

The fourth proportional to 112,637.94, 168,981.21 and 33,759.06 is: 50,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,637.94 : 168,981.21 = 33,759.06 : x
  2. Step 2: Convert to fraction form
    112,637.94/168,981.21 = 33,759.06/x
  3. Step 3: Cross multiply
    112,637.94x = 168,981.21 × 33,759.06
  4. Step 4: Simplify right side
    112,637.94x = 5,704,646,807.26
  5. Step 5: Solve for x
    x = 5,704,646,807.26/112,637.94
  6. Step 6: Final answer
    x = 50,645.87

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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.