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Finding the Fourth Proportional to 164,620.32, 247,001.64 and 58,080.32

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Solution

The fourth proportional to 164,620.32, 247,001.64 and 58,080.32 is: 87,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,620.32 : 247,001.64 = 58,080.32 : x
  2. Step 2: Convert to fraction form
    164,620.32/247,001.64 = 58,080.32/x
  3. Step 3: Cross multiply
    164,620.32x = 247,001.64 × 58,080.32
  4. Step 4: Simplify right side
    164,620.32x = 14,345,933,056.72
  5. Step 5: Solve for x
    x = 14,345,933,056.72/164,620.32
  6. Step 6: Final answer
    x = 87,145.58

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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.