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Finding the Fourth Proportional to 356,095.54, 533,754.66 and 131,266.47

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Solution

The fourth proportional to 356,095.54, 533,754.66 and 131,266.47 is: 196,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,095.54 : 533,754.66 = 131,266.47 : x
  2. Step 2: Convert to fraction form
    356,095.54/533,754.66 = 131,266.47/x
  3. Step 3: Cross multiply
    356,095.54x = 533,754.66 × 131,266.47
  4. Step 4: Simplify right side
    356,095.54x = 70,064,092,558.08
  5. Step 5: Solve for x
    x = 70,064,092,558.08/356,095.54
  6. Step 6: Final answer
    x = 196,756.44

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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.