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Finding the Fourth Proportional to 356,897.08, 535,377.08 and 100,731.92

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Solution

The fourth proportional to 356,897.08, 535,377.08 and 100,731.92 is: 151,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,897.08 : 535,377.08 = 100,731.92 : x
  2. Step 2: Convert to fraction form
    356,897.08/535,377.08 = 100,731.92/x
  3. Step 3: Cross multiply
    356,897.08x = 535,377.08 × 100,731.92
  4. Step 4: Simplify right side
    356,897.08x = 53,929,561,192.39
  5. Step 5: Solve for x
    x = 53,929,561,192.39/356,897.08
  6. Step 6: Final answer
    x = 151,106.76

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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.