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Finding the Fourth Proportional to 140,616,074.80, 196,409,008.40 and 140,616,074.80

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Solution

The fourth proportional to 140,616,074.80, 196,409,008.40 and 140,616,074.80 is: 196,409,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,616,074.80 : 196,409,008.40 = 140,616,074.80 : x
  2. Step 2: Convert to fraction form
    140,616,074.80/196,409,008.40 = 140,616,074.80/x
  3. Step 3: Cross multiply
    140,616,074.80x = 196,409,008.40 × 140,616,074.80
  4. Step 4: Simplify right side
    140,616,074.80x = 27,618,263,816,568,232
  5. Step 5: Solve for x
    x = 27,618,263,816,568,232/140,616,074.80
  6. Step 6: Final answer
    x = 196,409,008.40

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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.