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Finding the Fourth Proportional to 226,984.51, 313,228.52 and 130,118.92

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Solution

The fourth proportional to 226,984.51, 313,228.52 and 130,118.92 is: 179,558.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,984.51 : 313,228.52 = 130,118.92 : x
  2. Step 2: Convert to fraction form
    226,984.51/313,228.52 = 130,118.92/x
  3. Step 3: Cross multiply
    226,984.51x = 313,228.52 × 130,118.92
  4. Step 4: Simplify right side
    226,984.51x = 40,756,958,235.50
  5. Step 5: Solve for x
    x = 40,756,958,235.50/226,984.51
  6. Step 6: Final answer
    x = 179,558.32

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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.