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Finding the Fourth Proportional to 80,104,512.80, 112,401,409.60 and 80,104,512.80

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Solution

The fourth proportional to 80,104,512.80, 112,401,409.60 and 80,104,512.80 is: 112,401,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,104,512.80 : 112,401,409.60 = 80,104,512.80 : x
  2. Step 2: Convert to fraction form
    80,104,512.80/112,401,409.60 = 80,104,512.80/x
  3. Step 3: Cross multiply
    80,104,512.80x = 112,401,409.60 × 80,104,512.80
  4. Step 4: Simplify right side
    80,104,512.80x = 9,003,860,154,041,242
  5. Step 5: Solve for x
    x = 9,003,860,154,041,242/80,104,512.80
  6. Step 6: Final answer
    x = 112,401,409.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.