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Finding the Fourth Proportional to 161,876,205.60, 227,136,871.20 and 161,876,205.60

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Solution

The fourth proportional to 161,876,205.60, 227,136,871.20 and 161,876,205.60 is: 227,136,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,876,205.60 : 227,136,871.20 = 161,876,205.60 : x
  2. Step 2: Convert to fraction form
    161,876,205.60/227,136,871.20 = 161,876,205.60/x
  3. Step 3: Cross multiply
    161,876,205.60x = 227,136,871.20 × 161,876,205.60
  4. Step 4: Simplify right side
    161,876,205.60x = 36,768,054,861,711,912
  5. Step 5: Solve for x
    x = 36,768,054,861,711,912/161,876,205.60
  6. Step 6: Final answer
    x = 227,136,871.20

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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.