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Finding the Fourth Proportional to 225,010.60, 310,514.94 and 123,036.52

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Solution

The fourth proportional to 225,010.60, 310,514.94 and 123,036.52 is: 169,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,010.60 : 310,514.94 = 123,036.52 : x
  2. Step 2: Convert to fraction form
    225,010.60/310,514.94 = 123,036.52/x
  3. Step 3: Cross multiply
    225,010.60x = 310,514.94 × 123,036.52
  4. Step 4: Simplify right side
    225,010.60x = 38,204,677,625.61
  5. Step 5: Solve for x
    x = 38,204,677,625.61/225,010.60
  6. Step 6: Final answer
    x = 169,790.57

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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.