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Finding the Fourth Proportional to 150,361.30, 225,541.68 and 66,101.32

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Solution

The fourth proportional to 150,361.30, 225,541.68 and 66,101.32 is: 99,151.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,361.30 : 225,541.68 = 66,101.32 : x
  2. Step 2: Convert to fraction form
    150,361.30/225,541.68 = 66,101.32/x
  3. Step 3: Cross multiply
    150,361.30x = 225,541.68 × 66,101.32
  4. Step 4: Simplify right side
    150,361.30x = 14,908,602,763.02
  5. Step 5: Solve for x
    x = 14,908,602,763.02/150,361.30
  6. Step 6: Final answer
    x = 99,151.86

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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.