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Finding the Fourth Proportional to 94,611, 130,564.08 and 52,170.96

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Solution

The fourth proportional to 94,611, 130,564.08 and 52,170.96 is: 71,996.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,611 : 130,564.08 = 52,170.96 : x
  2. Step 2: Convert to fraction form
    94,611/130,564.08 = 52,170.96/x
  3. Step 3: Cross multiply
    94,611x = 130,564.08 × 52,170.96
  4. Step 4: Simplify right side
    94,611x = 6,811,653,395.12
  5. Step 5: Solve for x
    x = 6,811,653,395.12/94,611
  6. Step 6: Final answer
    x = 71,996.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.