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Finding the Fourth Proportional to 224,358.25, 309,636.26 and 123,756.25

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Solution

The fourth proportional to 224,358.25, 309,636.26 and 123,756.25 is: 170,795.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,358.25 : 309,636.26 = 123,756.25 : x
  2. Step 2: Convert to fraction form
    224,358.25/309,636.26 = 123,756.25/x
  3. Step 3: Cross multiply
    224,358.25x = 309,636.26 × 123,756.25
  4. Step 4: Simplify right side
    224,358.25x = 38,319,422,401.63
  5. Step 5: Solve for x
    x = 38,319,422,401.63/224,358.25
  6. Step 6: Final answer
    x = 170,795.69

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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.