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Finding the Fourth Proportional to 358,593.83, 537,949.12 and 105,899.87

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Solution

The fourth proportional to 358,593.83, 537,949.12 and 105,899.87 is: 158,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,593.83 : 537,949.12 = 105,899.87 : x
  2. Step 2: Convert to fraction form
    358,593.83/537,949.12 = 105,899.87/x
  3. Step 3: Cross multiply
    358,593.83x = 537,949.12 × 105,899.87
  4. Step 4: Simplify right side
    358,593.83x = 56,968,741,874.61
  5. Step 5: Solve for x
    x = 56,968,741,874.61/358,593.83
  6. Step 6: Final answer
    x = 158,867.04

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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.