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Finding the Fourth Proportional to 273,244.78, 377,086.65 and 152,391.16

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Solution

The fourth proportional to 273,244.78, 377,086.65 and 152,391.16 is: 210,304.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,244.78 : 377,086.65 = 152,391.16 : x
  2. Step 2: Convert to fraction form
    273,244.78/377,086.65 = 152,391.16/x
  3. Step 3: Cross multiply
    273,244.78x = 377,086.65 × 152,391.16
  4. Step 4: Simplify right side
    273,244.78x = 57,464,672,014.01
  5. Step 5: Solve for x
    x = 57,464,672,014.01/273,244.78
  6. Step 6: Final answer
    x = 210,304.74

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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.