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Finding the Fourth Proportional to 195,798.20, 293,114.10 and 116,871.80

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Solution

The fourth proportional to 195,798.20, 293,114.10 and 116,871.80 is: 174,959.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,798.20 : 293,114.10 = 116,871.80 : x
  2. Step 2: Convert to fraction form
    195,798.20/293,114.10 = 116,871.80/x
  3. Step 3: Cross multiply
    195,798.20x = 293,114.10 × 116,871.80
  4. Step 4: Simplify right side
    195,798.20x = 34,256,772,472.38
  5. Step 5: Solve for x
    x = 34,256,772,472.38/195,798.20
  6. Step 6: Final answer
    x = 174,959.59

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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.