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Finding the Fourth Proportional to 174,276.80, 261,415.20 and 55,960.10

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Solution

The fourth proportional to 174,276.80, 261,415.20 and 55,960.10 is: 83,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,276.80 : 261,415.20 = 55,960.10 : x
  2. Step 2: Convert to fraction form
    174,276.80/261,415.20 = 55,960.10/x
  3. Step 3: Cross multiply
    174,276.80x = 261,415.20 × 55,960.10
  4. Step 4: Simplify right side
    174,276.80x = 14,628,820,733.52
  5. Step 5: Solve for x
    x = 14,628,820,733.52/174,276.80
  6. Step 6: Final answer
    x = 83,940.15

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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.