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Finding the Fourth Proportional to 109,704.60, 164,556.90 and 97,457.40

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Solution

The fourth proportional to 109,704.60, 164,556.90 and 97,457.40 is: 146,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,704.60 : 164,556.90 = 97,457.40 : x
  2. Step 2: Convert to fraction form
    109,704.60/164,556.90 = 97,457.40/x
  3. Step 3: Cross multiply
    109,704.60x = 164,556.90 × 97,457.40
  4. Step 4: Simplify right side
    109,704.60x = 16,037,287,626.06
  5. Step 5: Solve for x
    x = 16,037,287,626.06/109,704.60
  6. Step 6: Final answer
    x = 146,186.10

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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.