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Finding the Fourth Proportional to 213,880.29, 295,186.44 and 123,219.01

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Solution

The fourth proportional to 213,880.29, 295,186.44 and 123,219.01 is: 170,060.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,880.29 : 295,186.44 = 123,219.01 : x
  2. Step 2: Convert to fraction form
    213,880.29/295,186.44 = 123,219.01/x
  3. Step 3: Cross multiply
    213,880.29x = 295,186.44 × 123,219.01
  4. Step 4: Simplify right side
    213,880.29x = 36,372,580,902.22
  5. Step 5: Solve for x
    x = 36,372,580,902.22/213,880.29
  6. Step 6: Final answer
    x = 170,060.46

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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.