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Finding the Fourth Proportional to 188,176.33, 259,683.71 and 111,710.76

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Solution

The fourth proportional to 188,176.33, 259,683.71 and 111,710.76 is: 154,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,176.33 : 259,683.71 = 111,710.76 : x
  2. Step 2: Convert to fraction form
    188,176.33/259,683.71 = 111,710.76/x
  3. Step 3: Cross multiply
    188,176.33x = 259,683.71 × 111,710.76
  4. Step 4: Simplify right side
    188,176.33x = 29,009,465,437.90
  5. Step 5: Solve for x
    x = 29,009,465,437.90/188,176.33
  6. Step 6: Final answer
    x = 154,161.07

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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.