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Finding the Fourth Proportional to 162,568.60, 244,436.10 and 136,907.80

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Solution

The fourth proportional to 162,568.60, 244,436.10 and 136,907.80 is: 205,852.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,568.60 : 244,436.10 = 136,907.80 : x
  2. Step 2: Convert to fraction form
    162,568.60/244,436.10 = 136,907.80/x
  3. Step 3: Cross multiply
    162,568.60x = 244,436.10 × 136,907.80
  4. Step 4: Simplify right side
    162,568.60x = 33,465,208,691.58
  5. Step 5: Solve for x
    x = 33,465,208,691.58/162,568.60
  6. Step 6: Final answer
    x = 205,852.84

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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.