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Finding the Fourth Proportional to 46,672,299.70, 70,008,449.55 and 44,280,815.20

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Solution

The fourth proportional to 46,672,299.70, 70,008,449.55 and 44,280,815.20 is: 66,421,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,672,299.70 : 70,008,449.55 = 44,280,815.20 : x
  2. Step 2: Convert to fraction form
    46,672,299.70/70,008,449.55 = 44,280,815.20/x
  3. Step 3: Cross multiply
    46,672,299.70x = 70,008,449.55 × 44,280,815.20
  4. Step 4: Simplify right side
    46,672,299.70x = 3,100,031,216,962,073
  5. Step 5: Solve for x
    x = 3,100,031,216,962,073/46,672,299.70
  6. Step 6: Final answer
    x = 66,421,222.80

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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.