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Finding the Fourth Proportional to 185,169.51, 277,710.53 and 85,267.35

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Solution

The fourth proportional to 185,169.51, 277,710.53 and 85,267.35 is: 127,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,169.51 : 277,710.53 = 85,267.35 : x
  2. Step 2: Convert to fraction form
    185,169.51/277,710.53 = 85,267.35/x
  3. Step 3: Cross multiply
    185,169.51x = 277,710.53 × 85,267.35
  4. Step 4: Simplify right side
    185,169.51x = 23,679,640,533.86
  5. Step 5: Solve for x
    x = 23,679,640,533.86/185,169.51
  6. Step 6: Final answer
    x = 127,880.88

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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.