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Finding the Fourth Proportional to 100,894.50, 150,968.09 and 63,153.90

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Solution

The fourth proportional to 100,894.50, 150,968.09 and 63,153.90 is: 94,496.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,894.50 : 150,968.09 = 63,153.90 : x
  2. Step 2: Convert to fraction form
    100,894.50/150,968.09 = 63,153.90/x
  3. Step 3: Cross multiply
    100,894.50x = 150,968.09 × 63,153.90
  4. Step 4: Simplify right side
    100,894.50x = 9,534,223,343.28
  5. Step 5: Solve for x
    x = 9,534,223,343.28/100,894.50
  6. Step 6: Final answer
    x = 94,496.96

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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.