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Finding the Fourth Proportional to 108,902.44, 163,311.36 and 42,333.76

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Solution

The fourth proportional to 108,902.44, 163,311.36 and 42,333.76 is: 63,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,902.44 : 163,311.36 = 42,333.76 : x
  2. Step 2: Convert to fraction form
    108,902.44/163,311.36 = 42,333.76/x
  3. Step 3: Cross multiply
    108,902.44x = 163,311.36 × 42,333.76
  4. Step 4: Simplify right side
    108,902.44x = 6,913,583,919.51
  5. Step 5: Solve for x
    x = 6,913,583,919.51/108,902.44
  6. Step 6: Final answer
    x = 63,484.20

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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.