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Finding the Fourth Proportional to 225,160.67, 309,421.31 and 214,752.71

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Solution

The fourth proportional to 225,160.67, 309,421.31 and 214,752.71 is: 295,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,160.67 : 309,421.31 = 214,752.71 : x
  2. Step 2: Convert to fraction form
    225,160.67/309,421.31 = 214,752.71/x
  3. Step 3: Cross multiply
    225,160.67x = 309,421.31 × 214,752.71
  4. Step 4: Simplify right side
    225,160.67x = 66,449,064,554.04
  5. Step 5: Solve for x
    x = 66,449,064,554.04/225,160.67
  6. Step 6: Final answer
    x = 295,118.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.