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Finding the Fourth Proportional to 185,305.77, 255,628.04 and 124,054.38

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Solution

The fourth proportional to 185,305.77, 255,628.04 and 124,054.38 is: 171,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,305.77 : 255,628.04 = 124,054.38 : x
  2. Step 2: Convert to fraction form
    185,305.77/255,628.04 = 124,054.38/x
  3. Step 3: Cross multiply
    185,305.77x = 255,628.04 × 124,054.38
  4. Step 4: Simplify right side
    185,305.77x = 31,711,777,392.54
  5. Step 5: Solve for x
    x = 31,711,777,392.54/185,305.77
  6. Step 6: Final answer
    x = 171,132.16

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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.