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Finding the Fourth Proportional to 108,813.94, 163,202.10 and 28,852.42

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Solution

The fourth proportional to 108,813.94, 163,202.10 and 28,852.42 is: 43,273.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,813.94 : 163,202.10 = 28,852.42 : x
  2. Step 2: Convert to fraction form
    108,813.94/163,202.10 = 28,852.42/x
  3. Step 3: Cross multiply
    108,813.94x = 163,202.10 × 28,852.42
  4. Step 4: Simplify right side
    108,813.94x = 4,708,775,534.08
  5. Step 5: Solve for x
    x = 4,708,775,534.08/108,813.94
  6. Step 6: Final answer
    x = 43,273.64

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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.