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Finding the Fourth Proportional to 203,653.60, 281,116.60 and 123,084.16

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Solution

The fourth proportional to 203,653.60, 281,116.60 and 123,084.16 is: 169,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,653.60 : 281,116.60 = 123,084.16 : x
  2. Step 2: Convert to fraction form
    203,653.60/281,116.60 = 123,084.16/x
  3. Step 3: Cross multiply
    203,653.60x = 281,116.60 × 123,084.16
  4. Step 4: Simplify right side
    203,653.60x = 34,601,000,573.06
  5. Step 5: Solve for x
    x = 34,601,000,573.06/203,653.60
  6. Step 6: Final answer
    x = 169,901.25

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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.