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Finding the Fourth Proportional to 188,638, 282,896.88 and 62,254.72

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Solution

The fourth proportional to 188,638, 282,896.88 and 62,254.72 is: 93,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,638 : 282,896.88 = 62,254.72 : x
  2. Step 2: Convert to fraction form
    188,638/282,896.88 = 62,254.72/x
  3. Step 3: Cross multiply
    188,638x = 282,896.88 × 62,254.72
  4. Step 4: Simplify right side
    188,638x = 17,611,666,053.27
  5. Step 5: Solve for x
    x = 17,611,666,053.27/188,638
  6. Step 6: Final answer
    x = 93,362.24

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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.