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Finding the Fourth Proportional to 101,397.64, 152,014.44 and 61,941.43

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Solution

The fourth proportional to 101,397.64, 152,014.44 and 61,941.43 is: 92,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,397.64 : 152,014.44 = 61,941.43 : x
  2. Step 2: Convert to fraction form
    101,397.64/152,014.44 = 61,941.43/x
  3. Step 3: Cross multiply
    101,397.64x = 152,014.44 × 61,941.43
  4. Step 4: Simplify right side
    101,397.64x = 9,415,991,794.25
  5. Step 5: Solve for x
    x = 9,415,991,794.25/101,397.64
  6. Step 6: Final answer
    x = 92,862.04

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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.