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Finding the Fourth Proportional to 127,552,529.60, 178,170,433.60 and 127,552,529.60

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Solution

The fourth proportional to 127,552,529.60, 178,170,433.60 and 127,552,529.60 is: 178,170,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,552,529.60 : 178,170,433.60 = 127,552,529.60 : x
  2. Step 2: Convert to fraction form
    127,552,529.60/178,170,433.60 = 127,552,529.60/x
  3. Step 3: Cross multiply
    127,552,529.60x = 178,170,433.60 × 127,552,529.60
  4. Step 4: Simplify right side
    127,552,529.60x = 22,726,089,505,608,832
  5. Step 5: Solve for x
    x = 22,726,089,505,608,832/127,552,529.60
  6. Step 6: Final answer
    x = 178,170,433.60

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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.