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Finding the Fourth Proportional to 224,124.88, 309,284.43 and 122,148.32

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Solution

The fourth proportional to 224,124.88, 309,284.43 and 122,148.32 is: 168,560.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,124.88 : 309,284.43 = 122,148.32 : x
  2. Step 2: Convert to fraction form
    224,124.88/309,284.43 = 122,148.32/x
  3. Step 3: Cross multiply
    224,124.88x = 309,284.43 × 122,148.32
  4. Step 4: Simplify right side
    224,124.88x = 37,778,573,519.56
  5. Step 5: Solve for x
    x = 37,778,573,519.56/224,124.88
  6. Step 6: Final answer
    x = 168,560.37

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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.