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Finding the Fourth Proportional to 277,721.04, 383,252.04 and 156,862.56

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Solution

The fourth proportional to 277,721.04, 383,252.04 and 156,862.56 is: 216,468.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,721.04 : 383,252.04 = 156,862.56 : x
  2. Step 2: Convert to fraction form
    277,721.04/383,252.04 = 156,862.56/x
  3. Step 3: Cross multiply
    277,721.04x = 383,252.04 × 156,862.56
  4. Step 4: Simplify right side
    277,721.04x = 60,117,896,119.62
  5. Step 5: Solve for x
    x = 60,117,896,119.62/277,721.04
  6. Step 6: Final answer
    x = 216,468.64

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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.