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Finding the Fourth Proportional to 194,434, 268,435.56 and 127,482.64

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Solution

The fourth proportional to 194,434, 268,435.56 and 127,482.64 is: 176,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,434 : 268,435.56 = 127,482.64 : x
  2. Step 2: Convert to fraction form
    194,434/268,435.56 = 127,482.64/x
  3. Step 3: Cross multiply
    194,434x = 268,435.56 × 127,482.64
  4. Step 4: Simplify right side
    194,434x = 34,220,873,858.68
  5. Step 5: Solve for x
    x = 34,220,873,858.68/194,434
  6. Step 6: Final answer
    x = 176,002.52

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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.