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Finding the Fourth Proportional to 171,072,147.60, 256,608,221.40 and 171,072,147.60

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Solution

The fourth proportional to 171,072,147.60, 256,608,221.40 and 171,072,147.60 is: 256,608,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,147.60 : 256,608,221.40 = 171,072,147.60 : x
  2. Step 2: Convert to fraction form
    171,072,147.60/256,608,221.40 = 171,072,147.60/x
  3. Step 3: Cross multiply
    171,072,147.60x = 256,608,221.40 × 171,072,147.60
  4. Step 4: Simplify right side
    171,072,147.60x = 43,898,519,526,714,280
  5. Step 5: Solve for x
    x = 43,898,519,526,714,280/171,072,147.60
  6. Step 6: Final answer
    x = 256,608,221.40

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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.