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Finding the Fourth Proportional to 66,094.35, 99,141.52 and 19,347.22

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Solution

The fourth proportional to 66,094.35, 99,141.52 and 19,347.22 is: 29,020.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,094.35 : 99,141.52 = 19,347.22 : x
  2. Step 2: Convert to fraction form
    66,094.35/99,141.52 = 19,347.22/x
  3. Step 3: Cross multiply
    66,094.35x = 99,141.52 × 19,347.22
  4. Step 4: Simplify right side
    66,094.35x = 1,918,112,910.41
  5. Step 5: Solve for x
    x = 1,918,112,910.41/66,094.35
  6. Step 6: Final answer
    x = 29,020.83

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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.