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Finding the Fourth Proportional to 188,518.92, 260,052.30 and 119,482.08

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Solution

The fourth proportional to 188,518.92, 260,052.30 and 119,482.08 is: 164,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,518.92 : 260,052.30 = 119,482.08 : x
  2. Step 2: Convert to fraction form
    188,518.92/260,052.30 = 119,482.08/x
  3. Step 3: Cross multiply
    188,518.92x = 260,052.30 × 119,482.08
  4. Step 4: Simplify right side
    188,518.92x = 31,071,589,712.78
  5. Step 5: Solve for x
    x = 31,071,589,712.78/188,518.92
  6. Step 6: Final answer
    x = 164,819.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.