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Finding the Fourth Proportional to 186,556.02, 257,448.51 and 101,673.27

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Solution

The fourth proportional to 186,556.02, 257,448.51 and 101,673.27 is: 140,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,556.02 : 257,448.51 = 101,673.27 : x
  2. Step 2: Convert to fraction form
    186,556.02/257,448.51 = 101,673.27/x
  3. Step 3: Cross multiply
    186,556.02x = 257,448.51 × 101,673.27
  4. Step 4: Simplify right side
    186,556.02x = 26,175,631,868.33
  5. Step 5: Solve for x
    x = 26,175,631,868.33/186,556.02
  6. Step 6: Final answer
    x = 140,309.77

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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.