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Finding the Fourth Proportional to 101,605.56, 152,455.62 and 45,483.64

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Solution

The fourth proportional to 101,605.56, 152,455.62 and 45,483.64 is: 68,246.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,605.56 : 152,455.62 = 45,483.64 : x
  2. Step 2: Convert to fraction form
    101,605.56/152,455.62 = 45,483.64/x
  3. Step 3: Cross multiply
    101,605.56x = 152,455.62 × 45,483.64
  4. Step 4: Simplify right side
    101,605.56x = 6,934,236,078.06
  5. Step 5: Solve for x
    x = 6,934,236,078.06/101,605.56
  6. Step 6: Final answer
    x = 68,246.62

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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.