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Finding the Fourth Proportional to 201,485,051.60, 301,723,692.60 and 161,174,267.60

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Solution

The fourth proportional to 201,485,051.60, 301,723,692.60 and 161,174,267.60 is: 241,358,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,485,051.60 : 301,723,692.60 = 161,174,267.60 : x
  2. Step 2: Convert to fraction form
    201,485,051.60/301,723,692.60 = 161,174,267.60/x
  3. Step 3: Cross multiply
    201,485,051.60x = 301,723,692.60 × 161,174,267.60
  4. Step 4: Simplify right side
    201,485,051.60x = 48,630,095,172,372,544
  5. Step 5: Solve for x
    x = 48,630,095,172,372,544/201,485,051.60
  6. Step 6: Final answer
    x = 241,358,328.01

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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.