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Finding the Fourth Proportional to 196,687.40, 295,322.70 and 117,955.40

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Solution

The fourth proportional to 196,687.40, 295,322.70 and 117,955.40 is: 177,107.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,687.40 : 295,322.70 = 117,955.40 : x
  2. Step 2: Convert to fraction form
    196,687.40/295,322.70 = 117,955.40/x
  3. Step 3: Cross multiply
    196,687.40x = 295,322.70 × 117,955.40
  4. Step 4: Simplify right side
    196,687.40x = 34,834,907,207.58
  5. Step 5: Solve for x
    x = 34,834,907,207.58/196,687.40
  6. Step 6: Final answer
    x = 177,107.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.