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Finding the Fourth Proportional to 224,184.60, 309,375.15 and 122,210.88

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Solution

The fourth proportional to 224,184.60, 309,375.15 and 122,210.88 is: 168,651.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,184.60 : 309,375.15 = 122,210.88 : x
  2. Step 2: Convert to fraction form
    224,184.60/309,375.15 = 122,210.88/x
  3. Step 3: Cross multiply
    224,184.60x = 309,375.15 × 122,210.88
  4. Step 4: Simplify right side
    224,184.60x = 37,809,009,331.63
  5. Step 5: Solve for x
    x = 37,809,009,331.63/224,184.60
  6. Step 6: Final answer
    x = 168,651.23

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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.