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Finding the Fourth Proportional to 162,996.80, 244,597.80 and 69,501.20

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Solution

The fourth proportional to 162,996.80, 244,597.80 and 69,501.20 is: 104,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,996.80 : 244,597.80 = 69,501.20 : x
  2. Step 2: Convert to fraction form
    162,996.80/244,597.80 = 69,501.20/x
  3. Step 3: Cross multiply
    162,996.80x = 244,597.80 × 69,501.20
  4. Step 4: Simplify right side
    162,996.80x = 16,999,840,617.36
  5. Step 5: Solve for x
    x = 16,999,840,617.36/162,996.80
  6. Step 6: Final answer
    x = 104,295.55

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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.