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Finding the Fourth Proportional to 153,940.60, 230,522.10 and 101,063.80

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Solution

The fourth proportional to 153,940.60, 230,522.10 and 101,063.80 is: 151,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,940.60 : 230,522.10 = 101,063.80 : x
  2. Step 2: Convert to fraction form
    153,940.60/230,522.10 = 101,063.80/x
  3. Step 3: Cross multiply
    153,940.60x = 230,522.10 × 101,063.80
  4. Step 4: Simplify right side
    153,940.60x = 23,297,439,409.98
  5. Step 5: Solve for x
    x = 23,297,439,409.98/153,940.60
  6. Step 6: Final answer
    x = 151,340.45

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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.