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Finding the Fourth Proportional to 194,952, 268,880.88 and 126,990.37

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Solution

The fourth proportional to 194,952, 268,880.88 and 126,990.37 is: 175,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,952 : 268,880.88 = 126,990.37 : x
  2. Step 2: Convert to fraction form
    194,952/268,880.88 = 126,990.37/x
  3. Step 3: Cross multiply
    194,952x = 268,880.88 × 126,990.37
  4. Step 4: Simplify right side
    194,952x = 34,145,282,437.13
  5. Step 5: Solve for x
    x = 34,145,282,437.13/194,952
  6. Step 6: Final answer
    x = 175,147.13

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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.