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Finding the Fourth Proportional to 194,956.80, 292,435.20 and 101,450.40

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Solution

The fourth proportional to 194,956.80, 292,435.20 and 101,450.40 is: 152,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,956.80 : 292,435.20 = 101,450.40 : x
  2. Step 2: Convert to fraction form
    194,956.80/292,435.20 = 101,450.40/x
  3. Step 3: Cross multiply
    194,956.80x = 292,435.20 × 101,450.40
  4. Step 4: Simplify right side
    194,956.80x = 29,667,668,014.08
  5. Step 5: Solve for x
    x = 29,667,668,014.08/194,956.80
  6. Step 6: Final answer
    x = 152,175.60

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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.