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Finding the Fourth Proportional to 168,315.70, 252,133.35 and 104,941.30

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Solution

The fourth proportional to 168,315.70, 252,133.35 and 104,941.30 is: 157,199.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,315.70 : 252,133.35 = 104,941.30 : x
  2. Step 2: Convert to fraction form
    168,315.70/252,133.35 = 104,941.30/x
  3. Step 3: Cross multiply
    168,315.70x = 252,133.35 × 104,941.30
  4. Step 4: Simplify right side
    168,315.70x = 26,459,201,522.36
  5. Step 5: Solve for x
    x = 26,459,201,522.36/168,315.70
  6. Step 6: Final answer
    x = 157,199.84

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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.