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Finding the Fourth Proportional to 103,321.30, 154,852.80 and 44,087.80

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Solution

The fourth proportional to 103,321.30, 154,852.80 and 44,087.80 is: 66,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,321.30 : 154,852.80 = 44,087.80 : x
  2. Step 2: Convert to fraction form
    103,321.30/154,852.80 = 44,087.80/x
  3. Step 3: Cross multiply
    103,321.30x = 154,852.80 × 44,087.80
  4. Step 4: Simplify right side
    103,321.30x = 6,827,119,275.84
  5. Step 5: Solve for x
    x = 6,827,119,275.84/103,321.30
  6. Step 6: Final answer
    x = 66,076.59

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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.