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Finding the Fourth Proportional to 269,604.40, 372,097.70 and 160,722.10

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Solution

The fourth proportional to 269,604.40, 372,097.70 and 160,722.10 is: 221,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,604.40 : 372,097.70 = 160,722.10 : x
  2. Step 2: Convert to fraction form
    269,604.40/372,097.70 = 160,722.10/x
  3. Step 3: Cross multiply
    269,604.40x = 372,097.70 × 160,722.10
  4. Step 4: Simplify right side
    269,604.40x = 59,804,322,966.86
  5. Step 5: Solve for x
    x = 59,804,322,966.86/269,604.40
  6. Step 6: Final answer
    x = 221,822.50

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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.