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Finding the Fourth Proportional to 195,536.80, 292,786.80 and 154,064.80

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Solution

The fourth proportional to 195,536.80, 292,786.80 and 154,064.80 is: 230,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,536.80 : 292,786.80 = 154,064.80 : x
  2. Step 2: Convert to fraction form
    195,536.80/292,786.80 = 154,064.80/x
  3. Step 3: Cross multiply
    195,536.80x = 292,786.80 × 154,064.80
  4. Step 4: Simplify right side
    195,536.80x = 45,108,139,784.64
  5. Step 5: Solve for x
    x = 45,108,139,784.64/195,536.80
  6. Step 6: Final answer
    x = 230,688.75

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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.