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Finding the Fourth Proportional to 50,255,201.80, 70,213,793.45 and 50,255,201.80

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Solution

The fourth proportional to 50,255,201.80, 70,213,793.45 and 50,255,201.80 is: 70,213,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,255,201.80 : 70,213,793.45 = 50,255,201.80 : x
  2. Step 2: Convert to fraction form
    50,255,201.80/70,213,793.45 = 50,255,201.80/x
  3. Step 3: Cross multiply
    50,255,201.80x = 70,213,793.45 × 50,255,201.80
  4. Step 4: Simplify right side
    50,255,201.80x = 3,528,608,358,973,268
  5. Step 5: Solve for x
    x = 3,528,608,358,973,268/50,255,201.80
  6. Step 6: Final answer
    x = 70,213,793.45

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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.