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Finding the Fourth Proportional to 108,650.70, 163,048.95 and 64,230.30

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Solution

The fourth proportional to 108,650.70, 163,048.95 and 64,230.30 is: 96,388.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,650.70 : 163,048.95 = 64,230.30 : x
  2. Step 2: Convert to fraction form
    108,650.70/163,048.95 = 64,230.30/x
  3. Step 3: Cross multiply
    108,650.70x = 163,048.95 × 64,230.30
  4. Step 4: Simplify right side
    108,650.70x = 10,472,682,973.19
  5. Step 5: Solve for x
    x = 10,472,682,973.19/108,650.70
  6. Step 6: Final answer
    x = 96,388.55

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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.