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Finding the Fourth Proportional to 108,793.64, 163,187.02 and 29,907.20

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Solution

The fourth proportional to 108,793.64, 163,187.02 and 29,907.20 is: 44,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,793.64 : 163,187.02 = 29,907.20 : x
  2. Step 2: Convert to fraction form
    108,793.64/163,187.02 = 29,907.20/x
  3. Step 3: Cross multiply
    108,793.64x = 163,187.02 × 29,907.20
  4. Step 4: Simplify right side
    108,793.64x = 4,880,465,953.84
  5. Step 5: Solve for x
    x = 4,880,465,953.84/108,793.64
  6. Step 6: Final answer
    x = 44,859.85

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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.