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Finding the Fourth Proportional to 146,775.40, 220,119.90 and 41,603.56

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Solution

The fourth proportional to 146,775.40, 220,119.90 and 41,603.56 is: 62,393.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,775.40 : 220,119.90 = 41,603.56 : x
  2. Step 2: Convert to fraction form
    146,775.40/220,119.90 = 41,603.56/x
  3. Step 3: Cross multiply
    146,775.40x = 220,119.90 × 41,603.56
  4. Step 4: Simplify right side
    146,775.40x = 9,157,771,466.84
  5. Step 5: Solve for x
    x = 9,157,771,466.84/146,775.40
  6. Step 6: Final answer
    x = 62,393.09

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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.