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Finding the Fourth Proportional to 253,918.80, 380,903.46 and 94,037.52

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Solution

The fourth proportional to 253,918.80, 380,903.46 and 94,037.52 is: 141,065.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,918.80 : 380,903.46 = 94,037.52 : x
  2. Step 2: Convert to fraction form
    253,918.80/380,903.46 = 94,037.52/x
  3. Step 3: Cross multiply
    253,918.80x = 380,903.46 × 94,037.52
  4. Step 4: Simplify right side
    253,918.80x = 35,819,216,737.82
  5. Step 5: Solve for x
    x = 35,819,216,737.82/253,918.80
  6. Step 6: Final answer
    x = 141,065.63

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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.