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Finding the Fourth Proportional to 192,858.48, 288,114.92 and 124,836.39

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Solution

The fourth proportional to 192,858.48, 288,114.92 and 124,836.39 is: 186,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,858.48 : 288,114.92 = 124,836.39 : x
  2. Step 2: Convert to fraction form
    192,858.48/288,114.92 = 124,836.39/x
  3. Step 3: Cross multiply
    192,858.48x = 288,114.92 × 124,836.39
  4. Step 4: Simplify right side
    192,858.48x = 35,967,225,893.76
  5. Step 5: Solve for x
    x = 35,967,225,893.76/192,858.48
  6. Step 6: Final answer
    x = 186,495.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.