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Finding the Fourth Proportional to 273,218.30, 377,042.90 and 152,367.23

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Solution

The fourth proportional to 273,218.30, 377,042.90 and 152,367.23 is: 210,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,218.30 : 377,042.90 = 152,367.23 : x
  2. Step 2: Convert to fraction form
    273,218.30/377,042.90 = 152,367.23/x
  3. Step 3: Cross multiply
    273,218.30x = 377,042.90 × 152,367.23
  4. Step 4: Simplify right side
    273,218.30x = 57,448,982,264.17
  5. Step 5: Solve for x
    x = 57,448,982,264.17/273,218.30
  6. Step 6: Final answer
    x = 210,267.70

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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.