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Finding the Fourth Proportional to 201,485,411.60, 301,724,232.60 and 161,174,627.60

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Solution

The fourth proportional to 201,485,411.60, 301,724,232.60 and 161,174,627.60 is: 241,358,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,485,411.60 : 301,724,232.60 = 161,174,627.60 : x
  2. Step 2: Convert to fraction form
    201,485,411.60/301,724,232.60 = 161,174,627.60/x
  3. Step 3: Cross multiply
    201,485,411.60x = 301,724,232.60 × 161,174,627.60
  4. Step 4: Simplify right side
    201,485,411.60x = 48,630,290,827,200,784
  5. Step 5: Solve for x
    x = 48,630,290,827,200,784/201,485,411.60
  6. Step 6: Final answer
    x = 241,358,867.83

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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.