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Finding the Fourth Proportional to 108,200.70, 162,301.05 and 63,848.70

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Solution

The fourth proportional to 108,200.70, 162,301.05 and 63,848.70 is: 95,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,200.70 : 162,301.05 = 63,848.70 : x
  2. Step 2: Convert to fraction form
    108,200.70/162,301.05 = 63,848.70/x
  3. Step 3: Cross multiply
    108,200.70x = 162,301.05 × 63,848.70
  4. Step 4: Simplify right side
    108,200.70x = 10,362,711,051.14
  5. Step 5: Solve for x
    x = 10,362,711,051.14/108,200.70
  6. Step 6: Final answer
    x = 95,773.05

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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.