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Finding the Fourth Proportional to 188,053.17, 282,176.75 and 124,916.91

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Solution

The fourth proportional to 188,053.17, 282,176.75 and 124,916.91 is: 187,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,053.17 : 282,176.75 = 124,916.91 : x
  2. Step 2: Convert to fraction form
    188,053.17/282,176.75 = 124,916.91/x
  3. Step 3: Cross multiply
    188,053.17x = 282,176.75 × 124,916.91
  4. Step 4: Simplify right side
    188,053.17x = 35,248,647,683.84
  5. Step 5: Solve for x
    x = 35,248,647,683.84/188,053.17
  6. Step 6: Final answer
    x = 187,439.80

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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.