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Finding the Fourth Proportional to 224,405.63, 309,668.95 and 122,425.01

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Solution

The fourth proportional to 224,405.63, 309,668.95 and 122,425.01 is: 168,940.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,405.63 : 309,668.95 = 122,425.01 : x
  2. Step 2: Convert to fraction form
    224,405.63/309,668.95 = 122,425.01/x
  3. Step 3: Cross multiply
    224,405.63x = 309,668.95 × 122,425.01
  4. Step 4: Simplify right side
    224,405.63x = 37,911,224,768.55
  5. Step 5: Solve for x
    x = 37,911,224,768.55/224,405.63
  6. Step 6: Final answer
    x = 168,940.61

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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.