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Finding the Fourth Proportional to 64,273,694.56, 88,724,842.64 and 43,394,013.12

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Solution

The fourth proportional to 64,273,694.56, 88,724,842.64 and 43,394,013.12 is: 59,902,064.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,273,694.56 : 88,724,842.64 = 43,394,013.12 : x
  2. Step 2: Convert to fraction form
    64,273,694.56/88,724,842.64 = 43,394,013.12/x
  3. Step 3: Cross multiply
    64,273,694.56x = 88,724,842.64 × 43,394,013.12
  4. Step 4: Simplify right side
    64,273,694.56x = 3,850,126,985,590,095
  5. Step 5: Solve for x
    x = 3,850,126,985,590,095/64,273,694.56
  6. Step 6: Final answer
    x = 59,902,064.32

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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.