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Finding the Fourth Proportional to 97,321.60, 145,982.40 and 96,009.40

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Solution

The fourth proportional to 97,321.60, 145,982.40 and 96,009.40 is: 144,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,321.60 : 145,982.40 = 96,009.40 : x
  2. Step 2: Convert to fraction form
    97,321.60/145,982.40 = 96,009.40/x
  3. Step 3: Cross multiply
    97,321.60x = 145,982.40 × 96,009.40
  4. Step 4: Simplify right side
    97,321.60x = 14,015,682,634.56
  5. Step 5: Solve for x
    x = 14,015,682,634.56/97,321.60
  6. Step 6: Final answer
    x = 144,014.10

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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.