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Finding the Fourth Proportional to 223,102.94, 307,794.46 and 127,558.38

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Solution

The fourth proportional to 223,102.94, 307,794.46 and 127,558.38 is: 175,980.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,102.94 : 307,794.46 = 127,558.38 : x
  2. Step 2: Convert to fraction form
    223,102.94/307,794.46 = 127,558.38/x
  3. Step 3: Cross multiply
    223,102.94x = 307,794.46 × 127,558.38
  4. Step 4: Simplify right side
    223,102.94x = 39,261,762,690.57
  5. Step 5: Solve for x
    x = 39,261,762,690.57/223,102.94
  6. Step 6: Final answer
    x = 175,980.48

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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.