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Finding the Fourth Proportional to 163,120.40, 244,621.84 and 56,475.40

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Solution

The fourth proportional to 163,120.40, 244,621.84 and 56,475.40 is: 84,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,120.40 : 244,621.84 = 56,475.40 : x
  2. Step 2: Convert to fraction form
    163,120.40/244,621.84 = 56,475.40/x
  3. Step 3: Cross multiply
    163,120.40x = 244,621.84 × 56,475.40
  4. Step 4: Simplify right side
    163,120.40x = 13,815,116,262.74
  5. Step 5: Solve for x
    x = 13,815,116,262.74/163,120.40
  6. Step 6: Final answer
    x = 84,692.76

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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.