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Finding the Fourth Proportional to 192,953.12, 266,128.87 and 169,038.27

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Solution

The fourth proportional to 192,953.12, 266,128.87 and 169,038.27 is: 233,144.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,953.12 : 266,128.87 = 169,038.27 : x
  2. Step 2: Convert to fraction form
    192,953.12/266,128.87 = 169,038.27/x
  3. Step 3: Cross multiply
    192,953.12x = 266,128.87 × 169,038.27
  4. Step 4: Simplify right side
    192,953.12x = 44,985,963,781.85
  5. Step 5: Solve for x
    x = 44,985,963,781.85/192,953.12
  6. Step 6: Final answer
    x = 233,144.53

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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.