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Finding the Fourth Proportional to 358,593.82, 537,949.12 and 105,899.88

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Solution

The fourth proportional to 358,593.82, 537,949.12 and 105,899.88 is: 158,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,593.82 : 537,949.12 = 105,899.88 : x
  2. Step 2: Convert to fraction form
    358,593.82/537,949.12 = 105,899.88/x
  3. Step 3: Cross multiply
    358,593.82x = 537,949.12 × 105,899.88
  4. Step 4: Simplify right side
    358,593.82x = 56,968,747,254.11
  5. Step 5: Solve for x
    x = 56,968,747,254.11/358,593.82
  6. Step 6: Final answer
    x = 158,867.06

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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.