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Finding the Fourth Proportional to 247,092.18, 371,048.19 and 154,188.42

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Solution

The fourth proportional to 247,092.18, 371,048.19 and 154,188.42 is: 231,538.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,092.18 : 371,048.19 = 154,188.42 : x
  2. Step 2: Convert to fraction form
    247,092.18/371,048.19 = 154,188.42/x
  3. Step 3: Cross multiply
    247,092.18x = 371,048.19 × 154,188.42
  4. Step 4: Simplify right side
    247,092.18x = 57,211,334,159.96
  5. Step 5: Solve for x
    x = 57,211,334,159.96/247,092.18
  6. Step 6: Final answer
    x = 231,538.42

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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.