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Finding the Fourth Proportional to 241,036.56, 361,438.20 and 83,209.68

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Solution

The fourth proportional to 241,036.56, 361,438.20 and 83,209.68 is: 124,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,036.56 : 361,438.20 = 83,209.68 : x
  2. Step 2: Convert to fraction form
    241,036.56/361,438.20 = 83,209.68/x
  3. Step 3: Cross multiply
    241,036.56x = 361,438.20 × 83,209.68
  4. Step 4: Simplify right side
    241,036.56x = 30,075,156,961.78
  5. Step 5: Solve for x
    x = 30,075,156,961.78/241,036.56
  6. Step 6: Final answer
    x = 124,774.25

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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.