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Finding the Fourth Proportional to 112,019,220.80, 167,763,410.40 and 112,019,220.80

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Solution

The fourth proportional to 112,019,220.80, 167,763,410.40 and 112,019,220.80 is: 167,763,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,019,220.80 : 167,763,410.40 = 112,019,220.80 : x
  2. Step 2: Convert to fraction form
    112,019,220.80/167,763,410.40 = 112,019,220.80/x
  3. Step 3: Cross multiply
    112,019,220.80x = 167,763,410.40 × 112,019,220.80
  4. Step 4: Simplify right side
    112,019,220.80x = 18,792,726,511,758,616
  5. Step 5: Solve for x
    x = 18,792,726,511,758,616/112,019,220.80
  6. Step 6: Final answer
    x = 167,763,410.40

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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.