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Finding the Fourth Proportional to 185,003.71, 255,305.01 and 104,431.93

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Solution

The fourth proportional to 185,003.71, 255,305.01 and 104,431.93 is: 144,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,003.71 : 255,305.01 = 104,431.93 : x
  2. Step 2: Convert to fraction form
    185,003.71/255,305.01 = 104,431.93/x
  3. Step 3: Cross multiply
    185,003.71x = 255,305.01 × 104,431.93
  4. Step 4: Simplify right side
    185,003.71x = 26,661,994,686.33
  5. Step 5: Solve for x
    x = 26,661,994,686.33/185,003.71
  6. Step 6: Final answer
    x = 144,116.00

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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.