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Finding the Fourth Proportional to 238,364.29, 328,862.41 and 134,984.32

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Solution

The fourth proportional to 238,364.29, 328,862.41 and 134,984.32 is: 186,232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,364.29 : 328,862.41 = 134,984.32 : x
  2. Step 2: Convert to fraction form
    238,364.29/328,862.41 = 134,984.32/x
  3. Step 3: Cross multiply
    238,364.29x = 328,862.41 × 134,984.32
  4. Step 4: Simplify right side
    238,364.29x = 44,391,268,787.41
  5. Step 5: Solve for x
    x = 44,391,268,787.41/238,364.29
  6. Step 6: Final answer
    x = 186,232.88

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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.