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Finding the Fourth Proportional to 53,945,150.40, 80,917,725.60 and 53,945,150.40

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Solution

The fourth proportional to 53,945,150.40, 80,917,725.60 and 53,945,150.40 is: 80,917,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,945,150.40 : 80,917,725.60 = 53,945,150.40 : x
  2. Step 2: Convert to fraction form
    53,945,150.40/80,917,725.60 = 53,945,150.40/x
  3. Step 3: Cross multiply
    53,945,150.40x = 80,917,725.60 × 53,945,150.40
  4. Step 4: Simplify right side
    53,945,150.40x = 4,365,118,877,517,930
  5. Step 5: Solve for x
    x = 4,365,118,877,517,930/53,945,150.40
  6. Step 6: Final answer
    x = 80,917,725.60

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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.