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Finding the Fourth Proportional to 226,053.60, 311,968.48 and 125,451.60

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Solution

The fourth proportional to 226,053.60, 311,968.48 and 125,451.60 is: 173,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,053.60 : 311,968.48 = 125,451.60 : x
  2. Step 2: Convert to fraction form
    226,053.60/311,968.48 = 125,451.60/x
  3. Step 3: Cross multiply
    226,053.60x = 311,968.48 × 125,451.60
  4. Step 4: Simplify right side
    226,053.60x = 39,136,944,965.57
  5. Step 5: Solve for x
    x = 39,136,944,965.57/226,053.60
  6. Step 6: Final answer
    x = 173,131.26

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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.