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Finding the Fourth Proportional to 188,062.74, 282,099.60 and 54,929.16

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Solution

The fourth proportional to 188,062.74, 282,099.60 and 54,929.16 is: 82,395.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,062.74 : 282,099.60 = 54,929.16 : x
  2. Step 2: Convert to fraction form
    188,062.74/282,099.60 = 54,929.16/x
  3. Step 3: Cross multiply
    188,062.74x = 282,099.60 × 54,929.16
  4. Step 4: Simplify right side
    188,062.74x = 15,495,494,064.34
  5. Step 5: Solve for x
    x = 15,495,494,064.34/188,062.74
  6. Step 6: Final answer
    x = 82,395.34

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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.