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Finding the Fourth Proportional to 201,485,425.60, 301,724,253.60 and 161,174,641.60

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Solution

The fourth proportional to 201,485,425.60, 301,724,253.60 and 161,174,641.60 is: 241,358,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,485,425.60 : 301,724,253.60 = 161,174,641.60 : x
  2. Step 2: Convert to fraction form
    201,485,425.60/301,724,253.60 = 161,174,641.60/x
  3. Step 3: Cross multiply
    201,485,425.60x = 301,724,253.60 × 161,174,641.60
  4. Step 4: Simplify right side
    201,485,425.60x = 48,630,298,436,007,512
  5. Step 5: Solve for x
    x = 48,630,298,436,007,512/201,485,425.60
  6. Step 6: Final answer
    x = 241,358,888.82

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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.