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Finding the Fourth Proportional to 356,674.66, 535,081.92 and 132,036.82

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Solution

The fourth proportional to 356,674.66, 535,081.92 and 132,036.82 is: 198,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,674.66 : 535,081.92 = 132,036.82 : x
  2. Step 2: Convert to fraction form
    356,674.66/535,081.92 = 132,036.82/x
  3. Step 3: Cross multiply
    356,674.66x = 535,081.92 × 132,036.82
  4. Step 4: Simplify right side
    356,674.66x = 70,650,515,156.29
  5. Step 5: Solve for x
    x = 70,650,515,156.29/356,674.66
  6. Step 6: Final answer
    x = 198,081.12

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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.