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Finding the Fourth Proportional to 64,273,687.07, 88,724,832.25 and 43,394,005.63

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Solution

The fourth proportional to 64,273,687.07, 88,724,832.25 and 43,394,005.63 is: 59,902,053.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,273,687.07 : 88,724,832.25 = 43,394,005.63 : x
  2. Step 2: Convert to fraction form
    64,273,687.07/88,724,832.25 = 43,394,005.63/x
  3. Step 3: Cross multiply
    64,273,687.07x = 88,724,832.25 × 43,394,005.63
  4. Step 4: Simplify right side
    64,273,687.07x = 3,850,125,869,733,681.50
  5. Step 5: Solve for x
    x = 3,850,125,869,733,681.50/64,273,687.07
  6. Step 6: Final answer
    x = 59,902,053.94

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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.