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Finding the Fourth Proportional to 277,166.52, 382,588.11 and 163,989

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Solution

The fourth proportional to 277,166.52, 382,588.11 and 163,989 is: 226,362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,166.52 : 382,588.11 = 163,989 : x
  2. Step 2: Convert to fraction form
    277,166.52/382,588.11 = 163,989/x
  3. Step 3: Cross multiply
    277,166.52x = 382,588.11 × 163,989
  4. Step 4: Simplify right side
    277,166.52x = 62,740,241,570.79
  5. Step 5: Solve for x
    x = 62,740,241,570.79/277,166.52
  6. Step 6: Final answer
    x = 226,362.99

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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.