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Finding the Fourth Proportional to 188,501.21, 282,844.05 and 88,671.47

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Solution

The fourth proportional to 188,501.21, 282,844.05 and 88,671.47 is: 133,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,501.21 : 282,844.05 = 88,671.47 : x
  2. Step 2: Convert to fraction form
    188,501.21/282,844.05 = 88,671.47/x
  3. Step 3: Cross multiply
    188,501.21x = 282,844.05 × 88,671.47
  4. Step 4: Simplify right side
    188,501.21x = 25,080,197,250.90
  5. Step 5: Solve for x
    x = 25,080,197,250.90/188,501.21
  6. Step 6: Final answer
    x = 133,050.59

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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.