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Finding the Fourth Proportional to 108,889.78, 163,300.11 and 35,000.50

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Solution

The fourth proportional to 108,889.78, 163,300.11 and 35,000.50 is: 52,489.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889.78 : 163,300.11 = 35,000.50 : x
  2. Step 2: Convert to fraction form
    108,889.78/163,300.11 = 35,000.50/x
  3. Step 3: Cross multiply
    108,889.78x = 163,300.11 × 35,000.50
  4. Step 4: Simplify right side
    108,889.78x = 5,715,585,500.06
  5. Step 5: Solve for x
    x = 5,715,585,500.06/108,889.78
  6. Step 6: Final answer
    x = 52,489.64

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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.