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Finding the Fourth Proportional to 108,903.89, 150,261.08 and 63,556.04

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Solution

The fourth proportional to 108,903.89, 150,261.08 and 63,556.04 is: 87,691.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,903.89 : 150,261.08 = 63,556.04 : x
  2. Step 2: Convert to fraction form
    108,903.89/150,261.08 = 63,556.04/x
  3. Step 3: Cross multiply
    108,903.89x = 150,261.08 × 63,556.04
  4. Step 4: Simplify right side
    108,903.89x = 9,549,999,268.80
  5. Step 5: Solve for x
    x = 9,549,999,268.80/108,903.89
  6. Step 6: Final answer
    x = 87,691.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.