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Finding the Fourth Proportional to 174,709.40, 262,064.10 and 155,355.80

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Solution

The fourth proportional to 174,709.40, 262,064.10 and 155,355.80 is: 233,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,709.40 : 262,064.10 = 155,355.80 : x
  2. Step 2: Convert to fraction form
    174,709.40/262,064.10 = 155,355.80/x
  3. Step 3: Cross multiply
    174,709.40x = 262,064.10 × 155,355.80
  4. Step 4: Simplify right side
    174,709.40x = 40,713,177,906.78
  5. Step 5: Solve for x
    x = 40,713,177,906.78/174,709.40
  6. Step 6: Final answer
    x = 233,033.70

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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.