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Finding the Fourth Proportional to 262,509.78, 393,770.25 and 94,041.06

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Solution

The fourth proportional to 262,509.78, 393,770.25 and 94,041.06 is: 141,063.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,509.78 : 393,770.25 = 94,041.06 : x
  2. Step 2: Convert to fraction form
    262,509.78/393,770.25 = 94,041.06/x
  3. Step 3: Cross multiply
    262,509.78x = 393,770.25 × 94,041.06
  4. Step 4: Simplify right side
    262,509.78x = 37,030,571,706.47
  5. Step 5: Solve for x
    x = 37,030,571,706.47/262,509.78
  6. Step 6: Final answer
    x = 141,063.59

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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.