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Finding the Fourth Proportional to 108,200.20, 162,300.30 and 63,848.20

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Solution

The fourth proportional to 108,200.20, 162,300.30 and 63,848.20 is: 95,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,200.20 : 162,300.30 = 63,848.20 : x
  2. Step 2: Convert to fraction form
    108,200.20/162,300.30 = 63,848.20/x
  3. Step 3: Cross multiply
    108,200.20x = 162,300.30 × 63,848.20
  4. Step 4: Simplify right side
    108,200.20x = 10,362,582,014.46
  5. Step 5: Solve for x
    x = 10,362,582,014.46/108,200.20
  6. Step 6: Final answer
    x = 95,772.30

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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.