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Finding the Fourth Proportional to 239,128.32, 330,036.48 and 182,432.64

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Solution

The fourth proportional to 239,128.32, 330,036.48 and 182,432.64 is: 251,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,128.32 : 330,036.48 = 182,432.64 : x
  2. Step 2: Convert to fraction form
    239,128.32/330,036.48 = 182,432.64/x
  3. Step 3: Cross multiply
    239,128.32x = 330,036.48 × 182,432.64
  4. Step 4: Simplify right side
    239,128.32x = 60,209,426,342.71
  5. Step 5: Solve for x
    x = 60,209,426,342.71/239,128.32
  6. Step 6: Final answer
    x = 251,787.10

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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.