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Finding the Fourth Proportional to 181,517.36, 250,503.36 and 100,946.48

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Solution

The fourth proportional to 181,517.36, 250,503.36 and 100,946.48 is: 139,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,517.36 : 250,503.36 = 100,946.48 : x
  2. Step 2: Convert to fraction form
    181,517.36/250,503.36 = 100,946.48/x
  3. Step 3: Cross multiply
    181,517.36x = 250,503.36 × 100,946.48
  4. Step 4: Simplify right side
    181,517.36x = 25,287,432,420.17
  5. Step 5: Solve for x
    x = 25,287,432,420.17/181,517.36
  6. Step 6: Final answer
    x = 139,311.37

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1.5x scale

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.