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Finding the Fourth Proportional to 168,390.12, 232,376.88 and 92,937

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Solution

The fourth proportional to 168,390.12, 232,376.88 and 92,937 is: 128,252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,390.12 : 232,376.88 = 92,937 : x
  2. Step 2: Convert to fraction form
    168,390.12/232,376.88 = 92,937/x
  3. Step 3: Cross multiply
    168,390.12x = 232,376.88 × 92,937
  4. Step 4: Simplify right side
    168,390.12x = 21,596,410,096.56
  5. Step 5: Solve for x
    x = 21,596,410,096.56/168,390.12
  6. Step 6: Final answer
    x = 128,252.24

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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.