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Finding the Fourth Proportional to 168,388.50, 232,376.40 and 92,937

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Solution

The fourth proportional to 168,388.50, 232,376.40 and 92,937 is: 128,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,388.50 : 232,376.40 = 92,937 : x
  2. Step 2: Convert to fraction form
    168,388.50/232,376.40 = 92,937/x
  3. Step 3: Cross multiply
    168,388.50x = 232,376.40 × 92,937
  4. Step 4: Simplify right side
    168,388.50x = 21,596,365,486.80
  5. Step 5: Solve for x
    x = 21,596,365,486.80/168,388.50
  6. Step 6: Final answer
    x = 128,253.21

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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.