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Finding the Fourth Proportional to 238,807.44, 329,557.01 and 136,830.87

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Solution

The fourth proportional to 238,807.44, 329,557.01 and 136,830.87 is: 188,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,807.44 : 329,557.01 = 136,830.87 : x
  2. Step 2: Convert to fraction form
    238,807.44/329,557.01 = 136,830.87/x
  3. Step 3: Cross multiply
    238,807.44x = 329,557.01 × 136,830.87
  4. Step 4: Simplify right side
    238,807.44x = 45,093,571,708.74
  5. Step 5: Solve for x
    x = 45,093,571,708.74/238,807.44
  6. Step 6: Final answer
    x = 188,828.17

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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.