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Finding the Fourth Proportional to 100,108.50, 150,211.95 and 46,804.12

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Solution

The fourth proportional to 100,108.50, 150,211.95 and 46,804.12 is: 70,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,108.50 : 150,211.95 = 46,804.12 : x
  2. Step 2: Convert to fraction form
    100,108.50/150,211.95 = 46,804.12/x
  3. Step 3: Cross multiply
    100,108.50x = 150,211.95 × 46,804.12
  4. Step 4: Simplify right side
    100,108.50x = 7,030,538,133.23
  5. Step 5: Solve for x
    x = 7,030,538,133.23/100,108.50
  6. Step 6: Final answer
    x = 70,229.18

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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.