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Finding the Fourth Proportional to 188,482.60, 282,694.20 and 156,665.98

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Solution

The fourth proportional to 188,482.60, 282,694.20 and 156,665.98 is: 234,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,482.60 : 282,694.20 = 156,665.98 : x
  2. Step 2: Convert to fraction form
    188,482.60/282,694.20 = 156,665.98/x
  3. Step 3: Cross multiply
    188,482.60x = 282,694.20 × 156,665.98
  4. Step 4: Simplify right side
    188,482.60x = 44,288,563,883.32
  5. Step 5: Solve for x
    x = 44,288,563,883.32/188,482.60
  6. Step 6: Final answer
    x = 234,974.28

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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.