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Finding the Fourth Proportional to 70,297,903.50, 105,463,690.70 and 29,334,555.63

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Solution

The fourth proportional to 70,297,903.50, 105,463,690.70 and 29,334,555.63 is: 44,008,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,297,903.50 : 105,463,690.70 = 29,334,555.63 : x
  2. Step 2: Convert to fraction form
    70,297,903.50/105,463,690.70 = 29,334,555.63/x
  3. Step 3: Cross multiply
    70,297,903.50x = 105,463,690.70 × 29,334,555.63
  4. Step 4: Simplify right side
    70,297,903.50x = 3,093,730,501,784,263.50
  5. Step 5: Solve for x
    x = 3,093,730,501,784,263.50/70,297,903.50
  6. Step 6: Final answer
    x = 44,008,858.70

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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.