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Finding the Fourth Proportional to 223,036.52, 307,790.60 and 121,062.06

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Solution

The fourth proportional to 223,036.52, 307,790.60 and 121,062.06 is: 167,065.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,036.52 : 307,790.60 = 121,062.06 : x
  2. Step 2: Convert to fraction form
    223,036.52/307,790.60 = 121,062.06/x
  3. Step 3: Cross multiply
    223,036.52x = 307,790.60 × 121,062.06
  4. Step 4: Simplify right side
    223,036.52x = 37,261,763,479.33
  5. Step 5: Solve for x
    x = 37,261,763,479.33/223,036.52
  6. Step 6: Final answer
    x = 167,065.75

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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.