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Finding the Fourth Proportional to 273,870.33, 377,938.48 and 153,032.43

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Solution

The fourth proportional to 273,870.33, 377,938.48 and 153,032.43 is: 211,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,870.33 : 377,938.48 = 153,032.43 : x
  2. Step 2: Convert to fraction form
    273,870.33/377,938.48 = 153,032.43/x
  3. Step 3: Cross multiply
    273,870.33x = 377,938.48 × 153,032.43
  4. Step 4: Simplify right side
    273,870.33x = 57,836,843,984.91
  5. Step 5: Solve for x
    x = 57,836,843,984.91/273,870.33
  6. Step 6: Final answer
    x = 211,183.31

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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.