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Finding the Fourth Proportional to 201,662,808.60, 301,990,328.10 and 161,352,024.60

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Solution

The fourth proportional to 201,662,808.60, 301,990,328.10 and 161,352,024.60 is: 241,624,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,662,808.60 : 301,990,328.10 = 161,352,024.60 : x
  2. Step 2: Convert to fraction form
    201,662,808.60/301,990,328.10 = 161,352,024.60/x
  3. Step 3: Cross multiply
    201,662,808.60x = 301,990,328.10 × 161,352,024.60
  4. Step 4: Simplify right side
    201,662,808.60x = 48,726,750,848,553,272
  5. Step 5: Solve for x
    x = 48,726,750,848,553,272/201,662,808.60
  6. Step 6: Final answer
    x = 241,624,874.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.