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Finding the Fourth Proportional to 229,012.92, 316,040.94 and 171,550.44

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Solution

The fourth proportional to 229,012.92, 316,040.94 and 171,550.44 is: 236,741.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,012.92 : 316,040.94 = 171,550.44 : x
  2. Step 2: Convert to fraction form
    229,012.92/316,040.94 = 171,550.44/x
  3. Step 3: Cross multiply
    229,012.92x = 316,040.94 × 171,550.44
  4. Step 4: Simplify right side
    229,012.92x = 54,216,962,315.01
  5. Step 5: Solve for x
    x = 54,216,962,315.01/229,012.92
  6. Step 6: Final answer
    x = 236,741.94

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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.