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Finding the Fourth Proportional to 264,059,376.90, 396,087,097.05 and 79,826,496.90

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Solution

The fourth proportional to 264,059,376.90, 396,087,097.05 and 79,826,496.90 is: 119,739,150.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,059,376.90 : 396,087,097.05 = 79,826,496.90 : x
  2. Step 2: Convert to fraction form
    264,059,376.90/396,087,097.05 = 79,826,496.90/x
  3. Step 3: Cross multiply
    264,059,376.90x = 396,087,097.05 × 79,826,496.90
  4. Step 4: Simplify right side
    264,059,376.90x = 31,618,245,424,791,828
  5. Step 5: Solve for x
    x = 31,618,245,424,791,828/264,059,376.90
  6. Step 6: Final answer
    x = 119,739,150.32

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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.