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Finding the Fourth Proportional to 188,908, 260,693.06 and 104,024.88

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Solution

The fourth proportional to 188,908, 260,693.06 and 104,024.88 is: 143,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,908 : 260,693.06 = 104,024.88 : x
  2. Step 2: Convert to fraction form
    188,908/260,693.06 = 104,024.88/x
  3. Step 3: Cross multiply
    188,908x = 260,693.06 × 104,024.88
  4. Step 4: Simplify right side
    188,908x = 27,118,564,283.33
  5. Step 5: Solve for x
    x = 27,118,564,283.33/188,908
  6. Step 6: Final answer
    x = 143,554.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.