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Finding the Fourth Proportional to 162,815,911.60, 228,546,938 and 162,815,911.60

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Solution

The fourth proportional to 162,815,911.60, 228,546,938 and 162,815,911.60 is: 228,546,938

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,815,911.60 : 228,546,938 = 162,815,911.60 : x
  2. Step 2: Convert to fraction form
    162,815,911.60/228,546,938 = 162,815,911.60/x
  3. Step 3: Cross multiply
    162,815,911.60x = 228,546,938 × 162,815,911.60
  4. Step 4: Simplify right side
    162,815,911.60x = 37,211,078,053,858,680
  5. Step 5: Solve for x
    x = 37,211,078,053,858,680/162,815,911.60
  6. Step 6: Final answer
    x = 228,546,938

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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.