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Finding the Fourth Proportional to 358,017.73, 536,950.96 and 105,229.46

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Solution

The fourth proportional to 358,017.73, 536,950.96 and 105,229.46 is: 157,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,017.73 : 536,950.96 = 105,229.46 : x
  2. Step 2: Convert to fraction form
    358,017.73/536,950.96 = 105,229.46/x
  3. Step 3: Cross multiply
    358,017.73x = 536,950.96 × 105,229.46
  4. Step 4: Simplify right side
    358,017.73x = 56,503,059,041.13
  5. Step 5: Solve for x
    x = 56,503,059,041.13/358,017.73
  6. Step 6: Final answer
    x = 157,821.96

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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.