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Finding the Fourth Proportional to 64,348,550.79, 88,800,369.22 and 34,978,135.88

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Solution

The fourth proportional to 64,348,550.79, 88,800,369.22 and 34,978,135.88 is: 48,269,484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,348,550.79 : 88,800,369.22 = 34,978,135.88 : x
  2. Step 2: Convert to fraction form
    64,348,550.79/88,800,369.22 = 34,978,135.88/x
  3. Step 3: Cross multiply
    64,348,550.79x = 88,800,369.22 × 34,978,135.88
  4. Step 4: Simplify right side
    64,348,550.79x = 3,106,071,380,771,330
  5. Step 5: Solve for x
    x = 3,106,071,380,771,330/64,348,550.79
  6. Step 6: Final answer
    x = 48,269,484.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.