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Finding the Fourth Proportional to 150,830.40, 226,051.20 and 91,603.20

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Solution

The fourth proportional to 150,830.40, 226,051.20 and 91,603.20 is: 137,286.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,830.40 : 226,051.20 = 91,603.20 : x
  2. Step 2: Convert to fraction form
    150,830.40/226,051.20 = 91,603.20/x
  3. Step 3: Cross multiply
    150,830.40x = 226,051.20 × 91,603.20
  4. Step 4: Simplify right side
    150,830.40x = 20,707,013,283.84
  5. Step 5: Solve for x
    x = 20,707,013,283.84/150,830.40
  6. Step 6: Final answer
    x = 137,286.74

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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.