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Finding the Fourth Proportional to 356,909.44, 535,443.36 and 107,573.44

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Solution

The fourth proportional to 356,909.44, 535,443.36 and 107,573.44 is: 161,384.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,909.44 : 535,443.36 = 107,573.44 : x
  2. Step 2: Convert to fraction form
    356,909.44/535,443.36 = 107,573.44/x
  3. Step 3: Cross multiply
    356,909.44x = 535,443.36 × 107,573.44
  4. Step 4: Simplify right side
    356,909.44x = 57,599,484,160.36
  5. Step 5: Solve for x
    x = 57,599,484,160.36/356,909.44
  6. Step 6: Final answer
    x = 161,384.03

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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.