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Finding the Fourth Proportional to 238,750.63, 329,522.67 and 136,844.40

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Solution

The fourth proportional to 238,750.63, 329,522.67 and 136,844.40 is: 188,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,750.63 : 329,522.67 = 136,844.40 : x
  2. Step 2: Convert to fraction form
    238,750.63/329,522.67 = 136,844.40/x
  3. Step 3: Cross multiply
    238,750.63x = 329,522.67 × 136,844.40
  4. Step 4: Simplify right side
    238,750.63x = 45,093,332,062.55
  5. Step 5: Solve for x
    x = 45,093,332,062.55/238,750.63
  6. Step 6: Final answer
    x = 188,872.10

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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.