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Finding the Fourth Proportional to 238,758.57, 329,533.57 and 136,852.29

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Solution

The fourth proportional to 238,758.57, 329,533.57 and 136,852.29 is: 188,882.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,758.57 : 329,533.57 = 136,852.29 : x
  2. Step 2: Convert to fraction form
    238,758.57/329,533.57 = 136,852.29/x
  3. Step 3: Cross multiply
    238,758.57x = 329,533.57 × 136,852.29
  4. Step 4: Simplify right side
    238,758.57x = 45,097,421,696.58
  5. Step 5: Solve for x
    x = 45,097,421,696.58/238,758.57
  6. Step 6: Final answer
    x = 188,882.95

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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.