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Finding the Fourth Proportional to 79,675.50, 109,957.44 and 46,141.50

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Solution

The fourth proportional to 79,675.50, 109,957.44 and 46,141.50 is: 63,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,675.50 : 109,957.44 = 46,141.50 : x
  2. Step 2: Convert to fraction form
    79,675.50/109,957.44 = 46,141.50/x
  3. Step 3: Cross multiply
    79,675.50x = 109,957.44 × 46,141.50
  4. Step 4: Simplify right side
    79,675.50x = 5,073,601,217.76
  5. Step 5: Solve for x
    x = 5,073,601,217.76/79,675.50
  6. Step 6: Final answer
    x = 63,678.31

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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.