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Finding the Fourth Proportional to 168,124.64, 232,011.96 and 92,674.40

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Solution

The fourth proportional to 168,124.64, 232,011.96 and 92,674.40 is: 127,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,124.64 : 232,011.96 = 92,674.40 : x
  2. Step 2: Convert to fraction form
    168,124.64/232,011.96 = 92,674.40/x
  3. Step 3: Cross multiply
    168,124.64x = 232,011.96 × 92,674.40
  4. Step 4: Simplify right side
    168,124.64x = 21,501,569,185.82
  5. Step 5: Solve for x
    x = 21,501,569,185.82/168,124.64
  6. Step 6: Final answer
    x = 127,890.65

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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.