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Finding the Fourth Proportional to 84,953.68, 127,350.93 and 28,754.46

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Solution

The fourth proportional to 84,953.68, 127,350.93 and 28,754.46 is: 43,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,953.68 : 127,350.93 = 28,754.46 : x
  2. Step 2: Convert to fraction form
    84,953.68/127,350.93 = 28,754.46/x
  3. Step 3: Cross multiply
    84,953.68x = 127,350.93 × 28,754.46
  4. Step 4: Simplify right side
    84,953.68x = 3,661,907,330.48
  5. Step 5: Solve for x
    x = 3,661,907,330.48/84,953.68
  6. Step 6: Final answer
    x = 43,104.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.