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Finding the Fourth Proportional to 225,270.36, 310,860.44 and 123,295.61

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Solution

The fourth proportional to 225,270.36, 310,860.44 and 123,295.61 is: 170,141.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,270.36 : 310,860.44 = 123,295.61 : x
  2. Step 2: Convert to fraction form
    225,270.36/310,860.44 = 123,295.61/x
  3. Step 3: Cross multiply
    225,270.36x = 310,860.44 × 123,295.61
  4. Step 4: Simplify right side
    225,270.36x = 38,327,725,403.89
  5. Step 5: Solve for x
    x = 38,327,725,403.89/225,270.36
  6. Step 6: Final answer
    x = 170,141.00

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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.