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Finding the Fourth Proportional to 185,055.38, 277,541.53 and 85,119.58

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Solution

The fourth proportional to 185,055.38, 277,541.53 and 85,119.58 is: 127,660.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,055.38 : 277,541.53 = 85,119.58 : x
  2. Step 2: Convert to fraction form
    185,055.38/277,541.53 = 85,119.58/x
  3. Step 3: Cross multiply
    185,055.38x = 277,541.53 × 85,119.58
  4. Step 4: Simplify right side
    185,055.38x = 23,624,218,466.16
  5. Step 5: Solve for x
    x = 23,624,218,466.16/185,055.38
  6. Step 6: Final answer
    x = 127,660.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.