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Finding the Fourth Proportional to 243,858.62, 336,537.96 and 136,422.24

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Solution

The fourth proportional to 243,858.62, 336,537.96 and 136,422.24 is: 188,270.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,858.62 : 336,537.96 = 136,422.24 : x
  2. Step 2: Convert to fraction form
    243,858.62/336,537.96 = 136,422.24/x
  3. Step 3: Cross multiply
    243,858.62x = 336,537.96 × 136,422.24
  4. Step 4: Simplify right side
    243,858.62x = 45,911,263,618.72
  5. Step 5: Solve for x
    x = 45,911,263,618.72/243,858.62
  6. Step 6: Final answer
    x = 188,270.01

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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.