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Finding the Fourth Proportional to 102,952.98, 154,495.08 and 43,788.57

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Solution

The fourth proportional to 102,952.98, 154,495.08 and 43,788.57 is: 65,710.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,952.98 : 154,495.08 = 43,788.57 : x
  2. Step 2: Convert to fraction form
    102,952.98/154,495.08 = 43,788.57/x
  3. Step 3: Cross multiply
    102,952.98x = 154,495.08 × 43,788.57
  4. Step 4: Simplify right side
    102,952.98x = 6,765,118,625.24
  5. Step 5: Solve for x
    x = 6,765,118,625.24/102,952.98
  6. Step 6: Final answer
    x = 65,710.76

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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.