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Finding the Fourth Proportional to 163,662.50, 245,493.72 and 45,333.84

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Solution

The fourth proportional to 163,662.50, 245,493.72 and 45,333.84 is: 68,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,662.50 : 245,493.72 = 45,333.84 : x
  2. Step 2: Convert to fraction form
    163,662.50/245,493.72 = 45,333.84/x
  3. Step 3: Cross multiply
    163,662.50x = 245,493.72 × 45,333.84
  4. Step 4: Simplify right side
    163,662.50x = 11,129,173,023.48
  5. Step 5: Solve for x
    x = 11,129,173,023.48/163,662.50
  6. Step 6: Final answer
    x = 68,000.75

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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.