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Finding the Fourth Proportional to 108,729.84, 163,103.88 and 46,400.88

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Solution

The fourth proportional to 108,729.84, 163,103.88 and 46,400.88 is: 69,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,729.84 : 163,103.88 = 46,400.88 : x
  2. Step 2: Convert to fraction form
    108,729.84/163,103.88 = 46,400.88/x
  3. Step 3: Cross multiply
    108,729.84x = 163,103.88 × 46,400.88
  4. Step 4: Simplify right side
    108,729.84x = 7,568,163,563.41
  5. Step 5: Solve for x
    x = 7,568,163,563.41/108,729.84
  6. Step 6: Final answer
    x = 69,605.21

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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.