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Finding the Fourth Proportional to 174,908.40, 262,362.60 and 86,204.40

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Solution

The fourth proportional to 174,908.40, 262,362.60 and 86,204.40 is: 129,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,908.40 : 262,362.60 = 86,204.40 : x
  2. Step 2: Convert to fraction form
    174,908.40/262,362.60 = 86,204.40/x
  3. Step 3: Cross multiply
    174,908.40x = 262,362.60 × 86,204.40
  4. Step 4: Simplify right side
    174,908.40x = 22,616,810,515.44
  5. Step 5: Solve for x
    x = 22,616,810,515.44/174,908.40
  6. Step 6: Final answer
    x = 129,306.60

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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.