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Finding the Fourth Proportional to 163,858.49, 245,801.08 and 45,529.85

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Solution

The fourth proportional to 163,858.49, 245,801.08 and 45,529.85 is: 68,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,858.49 : 245,801.08 = 45,529.85 : x
  2. Step 2: Convert to fraction form
    163,858.49/245,801.08 = 45,529.85/x
  3. Step 3: Cross multiply
    163,858.49x = 245,801.08 × 45,529.85
  4. Step 4: Simplify right side
    163,858.49x = 11,191,285,591.02
  5. Step 5: Solve for x
    x = 11,191,285,591.02/163,858.49
  6. Step 6: Final answer
    x = 68,298.48

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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.