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Finding the Fourth Proportional to 155,323.62, 232,762.41 and 66,553.02

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Solution

The fourth proportional to 155,323.62, 232,762.41 and 66,553.02 is: 99,733.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,323.62 : 232,762.41 = 66,553.02 : x
  2. Step 2: Convert to fraction form
    155,323.62/232,762.41 = 66,553.02/x
  3. Step 3: Cross multiply
    155,323.62x = 232,762.41 × 66,553.02
  4. Step 4: Simplify right side
    155,323.62x = 15,491,041,327.98
  5. Step 5: Solve for x
    x = 15,491,041,327.98/155,323.62
  6. Step 6: Final answer
    x = 99,733.97

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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.