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Finding the Fourth Proportional to 104,806.50, 144,628.44 and 57,060.02

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Solution

The fourth proportional to 104,806.50, 144,628.44 and 57,060.02 is: 78,740.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,806.50 : 144,628.44 = 57,060.02 : x
  2. Step 2: Convert to fraction form
    104,806.50/144,628.44 = 57,060.02/x
  3. Step 3: Cross multiply
    104,806.50x = 144,628.44 × 57,060.02
  4. Step 4: Simplify right side
    104,806.50x = 8,252,501,678.97
  5. Step 5: Solve for x
    x = 8,252,501,678.97/104,806.50
  6. Step 6: Final answer
    x = 78,740.36

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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.