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Finding the Fourth Proportional to 225,254.22, 310,846.68 and 123,277.65

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Solution

The fourth proportional to 225,254.22, 310,846.68 and 123,277.65 is: 170,120.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,254.22 : 310,846.68 = 123,277.65 : x
  2. Step 2: Convert to fraction form
    225,254.22/310,846.68 = 123,277.65/x
  3. Step 3: Cross multiply
    225,254.22x = 310,846.68 × 123,277.65
  4. Step 4: Simplify right side
    225,254.22x = 38,320,447,604.31
  5. Step 5: Solve for x
    x = 38,320,447,604.31/225,254.22
  6. Step 6: Final answer
    x = 170,120.89

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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.