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Finding the Fourth Proportional to 65,329,644.80, 97,994,467.20 and 45,846,099.20

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Solution

The fourth proportional to 65,329,644.80, 97,994,467.20 and 45,846,099.20 is: 68,769,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,329,644.80 : 97,994,467.20 = 45,846,099.20 : x
  2. Step 2: Convert to fraction form
    65,329,644.80/97,994,467.20 = 45,846,099.20/x
  3. Step 3: Cross multiply
    65,329,644.80x = 97,994,467.20 × 45,846,099.20
  4. Step 4: Simplify right side
    65,329,644.80x = 4,492,664,064,302,346.50
  5. Step 5: Solve for x
    x = 4,492,664,064,302,346.50/65,329,644.80
  6. Step 6: Final answer
    x = 68,769,148.80

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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.