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Finding the Fourth Proportional to 195,042.68, 292,564.02 and 68,653.16

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Solution

The fourth proportional to 195,042.68, 292,564.02 and 68,653.16 is: 102,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,042.68 : 292,564.02 = 68,653.16 : x
  2. Step 2: Convert to fraction form
    195,042.68/292,564.02 = 68,653.16/x
  3. Step 3: Cross multiply
    195,042.68x = 292,564.02 × 68,653.16
  4. Step 4: Simplify right side
    195,042.68x = 20,085,444,475.30
  5. Step 5: Solve for x
    x = 20,085,444,475.30/195,042.68
  6. Step 6: Final answer
    x = 102,979.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.