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Finding the Fourth Proportional to 358,018.73, 536,952.45 and 105,230.46

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Solution

The fourth proportional to 358,018.73, 536,952.45 and 105,230.46 is: 157,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,018.73 : 536,952.45 = 105,230.46 : x
  2. Step 2: Convert to fraction form
    358,018.73/536,952.45 = 105,230.46/x
  3. Step 3: Cross multiply
    358,018.73x = 536,952.45 × 105,230.46
  4. Step 4: Simplify right side
    358,018.73x = 56,503,753,311.63
  5. Step 5: Solve for x
    x = 56,503,753,311.63/358,018.73
  6. Step 6: Final answer
    x = 157,823.46

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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.