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Finding the Fourth Proportional to 108,728.74, 163,063.59 and 29,824.30

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Solution

The fourth proportional to 108,728.74, 163,063.59 and 29,824.30 is: 44,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,728.74 : 163,063.59 = 29,824.30 : x
  2. Step 2: Convert to fraction form
    108,728.74/163,063.59 = 29,824.30/x
  3. Step 3: Cross multiply
    108,728.74x = 163,063.59 × 29,824.30
  4. Step 4: Simplify right side
    108,728.74x = 4,863,257,427.24
  5. Step 5: Solve for x
    x = 4,863,257,427.24/108,728.74
  6. Step 6: Final answer
    x = 44,728.35

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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.