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Finding the Fourth Proportional to 356,673.66, 535,080.42 and 132,035.82

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Solution

The fourth proportional to 356,673.66, 535,080.42 and 132,035.82 is: 198,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,673.66 : 535,080.42 = 132,035.82 : x
  2. Step 2: Convert to fraction form
    356,673.66/535,080.42 = 132,035.82/x
  3. Step 3: Cross multiply
    356,673.66x = 535,080.42 × 132,035.82
  4. Step 4: Simplify right side
    356,673.66x = 70,649,782,020.64
  5. Step 5: Solve for x
    x = 70,649,782,020.64/356,673.66
  6. Step 6: Final answer
    x = 198,079.62

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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.