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Finding the Fourth Proportional to 79,744,905.60, 119,673,345.60 and 34,339,286.40

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Solution

The fourth proportional to 79,744,905.60, 119,673,345.60 and 34,339,286.40 is: 51,533,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,744,905.60 : 119,673,345.60 = 34,339,286.40 : x
  2. Step 2: Convert to fraction form
    79,744,905.60/119,673,345.60 = 34,339,286.40/x
  3. Step 3: Cross multiply
    79,744,905.60x = 119,673,345.60 × 34,339,286.40
  4. Step 4: Simplify right side
    79,744,905.60x = 4,109,497,289,004,579.50
  5. Step 5: Solve for x
    x = 4,109,497,289,004,579.50/79,744,905.60
  6. Step 6: Final answer
    x = 51,533,038.48

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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.