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Finding the Fourth Proportional to 108,352.54, 149,466.33 and 63,025.42

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Solution

The fourth proportional to 108,352.54, 149,466.33 and 63,025.42 is: 86,940.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,352.54 : 149,466.33 = 63,025.42 : x
  2. Step 2: Convert to fraction form
    108,352.54/149,466.33 = 63,025.42/x
  3. Step 3: Cross multiply
    108,352.54x = 149,466.33 × 63,025.42
  4. Step 4: Simplify right side
    108,352.54x = 9,420,178,224.11
  5. Step 5: Solve for x
    x = 9,420,178,224.11/108,352.54
  6. Step 6: Final answer
    x = 86,940.08

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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.