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Finding the Fourth Proportional to 152,539.50, 210,504.57 and 92,923.50

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Solution

The fourth proportional to 152,539.50, 210,504.57 and 92,923.50 is: 128,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,539.50 : 210,504.57 = 92,923.50 : x
  2. Step 2: Convert to fraction form
    152,539.50/210,504.57 = 92,923.50/x
  3. Step 3: Cross multiply
    152,539.50x = 210,504.57 × 92,923.50
  4. Step 4: Simplify right side
    152,539.50x = 19,560,821,410.40
  5. Step 5: Solve for x
    x = 19,560,821,410.40/152,539.50
  6. Step 6: Final answer
    x = 128,234.47

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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.