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Finding the Fourth Proportional to 185,612.10, 255,749.03 and 125,077.61

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Solution

The fourth proportional to 185,612.10, 255,749.03 and 125,077.61 is: 172,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,612.10 : 255,749.03 = 125,077.61 : x
  2. Step 2: Convert to fraction form
    185,612.10/255,749.03 = 125,077.61/x
  3. Step 3: Cross multiply
    185,612.10x = 255,749.03 × 125,077.61
  4. Step 4: Simplify right side
    185,612.10x = 31,988,475,528.09
  5. Step 5: Solve for x
    x = 31,988,475,528.09/185,612.10
  6. Step 6: Final answer
    x = 172,340.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.