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Finding the Fourth Proportional to 255,568.32, 352,340.16 and 178,984.32

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Solution

The fourth proportional to 255,568.32, 352,340.16 and 178,984.32 is: 246,757.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,568.32 : 352,340.16 = 178,984.32 : x
  2. Step 2: Convert to fraction form
    255,568.32/352,340.16 = 178,984.32/x
  3. Step 3: Cross multiply
    255,568.32x = 352,340.16 × 178,984.32
  4. Step 4: Simplify right side
    255,568.32x = 63,063,363,946.29
  5. Step 5: Solve for x
    x = 63,063,363,946.29/255,568.32
  6. Step 6: Final answer
    x = 246,757.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.