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Finding the Fourth Proportional to 277,703.31, 416,556.33 and 67,341.25

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Solution

The fourth proportional to 277,703.31, 416,556.33 and 67,341.25 is: 101,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,703.31 : 416,556.33 = 67,341.25 : x
  2. Step 2: Convert to fraction form
    277,703.31/416,556.33 = 67,341.25/x
  3. Step 3: Cross multiply
    277,703.31x = 416,556.33 × 67,341.25
  4. Step 4: Simplify right side
    277,703.31x = 28,051,423,957.61
  5. Step 5: Solve for x
    x = 28,051,423,957.61/277,703.31
  6. Step 6: Final answer
    x = 101,012.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.