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Finding the Fourth Proportional to 204,355.44, 282,007.80 and 114,931.44

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Solution

The fourth proportional to 204,355.44, 282,007.80 and 114,931.44 is: 158,603.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,355.44 : 282,007.80 = 114,931.44 : x
  2. Step 2: Convert to fraction form
    204,355.44/282,007.80 = 114,931.44/x
  3. Step 3: Cross multiply
    204,355.44x = 282,007.80 × 114,931.44
  4. Step 4: Simplify right side
    204,355.44x = 32,411,562,545.23
  5. Step 5: Solve for x
    x = 32,411,562,545.23/204,355.44
  6. Step 6: Final answer
    x = 158,603.86

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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.