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Finding the Fourth Proportional to 100,076.04, 150,072.50 and 36,899.76

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Solution

The fourth proportional to 100,076.04, 150,072.50 and 36,899.76 is: 55,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,076.04 : 150,072.50 = 36,899.76 : x
  2. Step 2: Convert to fraction form
    100,076.04/150,072.50 = 36,899.76/x
  3. Step 3: Cross multiply
    100,076.04x = 150,072.50 × 36,899.76
  4. Step 4: Simplify right side
    100,076.04x = 5,537,639,232.60
  5. Step 5: Solve for x
    x = 5,537,639,232.60/100,076.04
  6. Step 6: Final answer
    x = 55,334.32

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1.5x scale

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.