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Finding the Fourth Proportional to 273,897, 377,995.41 and 153,038.61

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Solution

The fourth proportional to 273,897, 377,995.41 and 153,038.61 is: 211,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,897 : 377,995.41 = 153,038.61 : x
  2. Step 2: Convert to fraction form
    273,897/377,995.41 = 153,038.61/x
  3. Step 3: Cross multiply
    273,897x = 377,995.41 × 153,038.61
  4. Step 4: Simplify right side
    273,897x = 57,847,892,132.78
  5. Step 5: Solve for x
    x = 57,847,892,132.78/273,897
  6. Step 6: Final answer
    x = 211,203.09

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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.