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Finding the Fourth Proportional to 225,345.07, 310,976.29 and 123,377.14

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Solution

The fourth proportional to 225,345.07, 310,976.29 and 123,377.14 is: 170,260.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,345.07 : 310,976.29 = 123,377.14 : x
  2. Step 2: Convert to fraction form
    225,345.07/310,976.29 = 123,377.14/x
  3. Step 3: Cross multiply
    225,345.07x = 310,976.29 × 123,377.14
  4. Step 4: Simplify right side
    225,345.07x = 38,367,365,268.01
  5. Step 5: Solve for x
    x = 38,367,365,268.01/225,345.07
  6. Step 6: Final answer
    x = 170,260.50

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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.