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Finding the Fourth Proportional to 175,266.80, 262,900.20 and 119,279.60

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Solution

The fourth proportional to 175,266.80, 262,900.20 and 119,279.60 is: 178,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,266.80 : 262,900.20 = 119,279.60 : x
  2. Step 2: Convert to fraction form
    175,266.80/262,900.20 = 119,279.60/x
  3. Step 3: Cross multiply
    175,266.80x = 262,900.20 × 119,279.60
  4. Step 4: Simplify right side
    175,266.80x = 31,358,630,695.92
  5. Step 5: Solve for x
    x = 31,358,630,695.92/175,266.80
  6. Step 6: Final answer
    x = 178,919.40

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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.