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Finding the Fourth Proportional to 64,305.45, 88,739.46 and 35,623.94

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Solution

The fourth proportional to 64,305.45, 88,739.46 and 35,623.94 is: 49,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,305.45 : 88,739.46 = 35,623.94 : x
  2. Step 2: Convert to fraction form
    64,305.45/88,739.46 = 35,623.94/x
  3. Step 3: Cross multiply
    64,305.45x = 88,739.46 × 35,623.94
  4. Step 4: Simplify right side
    64,305.45x = 3,161,248,754.98
  5. Step 5: Solve for x
    x = 3,161,248,754.98/64,305.45
  6. Step 6: Final answer
    x = 49,159.89

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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.