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Finding the Fourth Proportional to 109,398.80, 163,903.80 and 93,846.80

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Solution

The fourth proportional to 109,398.80, 163,903.80 and 93,846.80 is: 140,603.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,398.80 : 163,903.80 = 93,846.80 : x
  2. Step 2: Convert to fraction form
    109,398.80/163,903.80 = 93,846.80/x
  3. Step 3: Cross multiply
    109,398.80x = 163,903.80 × 93,846.80
  4. Step 4: Simplify right side
    109,398.80x = 15,381,847,137.84
  5. Step 5: Solve for x
    x = 15,381,847,137.84/109,398.80
  6. Step 6: Final answer
    x = 140,603.44

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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.