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Finding the Fourth Proportional to 240,458.50, 331,848.09 and 134,474.50

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Solution

The fourth proportional to 240,458.50, 331,848.09 and 134,474.50 is: 185,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,458.50 : 331,848.09 = 134,474.50 : x
  2. Step 2: Convert to fraction form
    240,458.50/331,848.09 = 134,474.50/x
  3. Step 3: Cross multiply
    240,458.50x = 331,848.09 × 134,474.50
  4. Step 4: Simplify right side
    240,458.50x = 44,625,105,978.71
  5. Step 5: Solve for x
    x = 44,625,105,978.71/240,458.50
  6. Step 6: Final answer
    x = 185,583.40

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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.