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Finding the Fourth Proportional to 108,310.80, 149,467.88 and 60,563.60

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Solution

The fourth proportional to 108,310.80, 149,467.88 and 60,563.60 is: 83,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,310.80 : 149,467.88 = 60,563.60 : x
  2. Step 2: Convert to fraction form
    108,310.80/149,467.88 = 60,563.60/x
  3. Step 3: Cross multiply
    108,310.80x = 149,467.88 × 60,563.60
  4. Step 4: Simplify right side
    108,310.80x = 9,052,312,897.17
  5. Step 5: Solve for x
    x = 9,052,312,897.17/108,310.80
  6. Step 6: Final answer
    x = 83,577.20

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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.