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Finding the Fourth Proportional to 185,159.20, 277,036.80 and 122,951.20

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Solution

The fourth proportional to 185,159.20, 277,036.80 and 122,951.20 is: 183,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,159.20 : 277,036.80 = 122,951.20 : x
  2. Step 2: Convert to fraction form
    185,159.20/277,036.80 = 122,951.20/x
  3. Step 3: Cross multiply
    185,159.20x = 277,036.80 × 122,951.20
  4. Step 4: Simplify right side
    185,159.20x = 34,062,007,004.16
  5. Step 5: Solve for x
    x = 34,062,007,004.16/185,159.20
  6. Step 6: Final answer
    x = 183,960.65

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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.