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Finding the Fourth Proportional to 108,080.70, 162,023.85 and 70,658.70

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Solution

The fourth proportional to 108,080.70, 162,023.85 and 70,658.70 is: 105,924.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,080.70 : 162,023.85 = 70,658.70 : x
  2. Step 2: Convert to fraction form
    108,080.70/162,023.85 = 70,658.70/x
  3. Step 3: Cross multiply
    108,080.70x = 162,023.85 × 70,658.70
  4. Step 4: Simplify right side
    108,080.70x = 11,448,394,610.00
  5. Step 5: Solve for x
    x = 11,448,394,610.00/108,080.70
  6. Step 6: Final answer
    x = 105,924.50

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1.5x scale

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.