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Finding the Fourth Proportional to 200,737.89, 277,018.26 and 111,313.89

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Solution

The fourth proportional to 200,737.89, 277,018.26 and 111,313.89 is: 153,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,737.89 : 277,018.26 = 111,313.89 : x
  2. Step 2: Convert to fraction form
    200,737.89/277,018.26 = 111,313.89/x
  3. Step 3: Cross multiply
    200,737.89x = 277,018.26 × 111,313.89
  4. Step 4: Simplify right side
    200,737.89x = 30,835,980,121.63
  5. Step 5: Solve for x
    x = 30,835,980,121.63/200,737.89
  6. Step 6: Final answer
    x = 153,613.15

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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.