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Finding the Fourth Proportional to 161,876,199.60, 227,136,862.80 and 161,876,199.60

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Solution

The fourth proportional to 161,876,199.60, 227,136,862.80 and 161,876,199.60 is: 227,136,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,876,199.60 : 227,136,862.80 = 161,876,199.60 : x
  2. Step 2: Convert to fraction form
    161,876,199.60/227,136,862.80 = 161,876,199.60/x
  3. Step 3: Cross multiply
    161,876,199.60x = 227,136,862.80 × 161,876,199.60
  4. Step 4: Simplify right side
    161,876,199.60x = 36,768,052,139,130,616
  5. Step 5: Solve for x
    x = 36,768,052,139,130,616/161,876,199.60
  6. Step 6: Final answer
    x = 227,136,862.80

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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.