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Finding the Fourth Proportional to 222,913.04, 307,620.84 and 127,422.80

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Solution

The fourth proportional to 222,913.04, 307,620.84 and 127,422.80 is: 175,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,913.04 : 307,620.84 = 127,422.80 : x
  2. Step 2: Convert to fraction form
    222,913.04/307,620.84 = 127,422.80/x
  3. Step 3: Cross multiply
    222,913.04x = 307,620.84 × 127,422.80
  4. Step 4: Simplify right side
    222,913.04x = 39,197,908,771.15
  5. Step 5: Solve for x
    x = 39,197,908,771.15/222,913.04
  6. Step 6: Final answer
    x = 175,843.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.