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Finding the Fourth Proportional to 108,023.70, 162,035.55 and 70,698.90

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Solution

The fourth proportional to 108,023.70, 162,035.55 and 70,698.90 is: 106,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,023.70 : 162,035.55 = 70,698.90 : x
  2. Step 2: Convert to fraction form
    108,023.70/162,035.55 = 70,698.90/x
  3. Step 3: Cross multiply
    108,023.70x = 162,035.55 × 70,698.90
  4. Step 4: Simplify right side
    108,023.70x = 11,455,735,145.90
  5. Step 5: Solve for x
    x = 11,455,735,145.90/108,023.70
  6. Step 6: Final answer
    x = 106,048.35

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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.