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Finding the Fourth Proportional to 162,994.80, 244,594.80 and 69,499.20

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Solution

The fourth proportional to 162,994.80, 244,594.80 and 69,499.20 is: 104,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,994.80 : 244,594.80 = 69,499.20 : x
  2. Step 2: Convert to fraction form
    162,994.80/244,594.80 = 69,499.20/x
  3. Step 3: Cross multiply
    162,994.80x = 244,594.80 × 69,499.20
  4. Step 4: Simplify right side
    162,994.80x = 16,999,142,924.16
  5. Step 5: Solve for x
    x = 16,999,142,924.16/162,994.80
  6. Step 6: Final answer
    x = 104,292.55

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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.