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Finding the Fourth Proportional to 108,674.80, 163,012.20 and 49,625.80

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Solution

The fourth proportional to 108,674.80, 163,012.20 and 49,625.80 is: 74,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,674.80 : 163,012.20 = 49,625.80 : x
  2. Step 2: Convert to fraction form
    108,674.80/163,012.20 = 49,625.80/x
  3. Step 3: Cross multiply
    108,674.80x = 163,012.20 × 49,625.80
  4. Step 4: Simplify right side
    108,674.80x = 8,089,610,834.76
  5. Step 5: Solve for x
    x = 8,089,610,834.76/108,674.80
  6. Step 6: Final answer
    x = 74,438.70

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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.