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Finding the Fourth Proportional to 188,897.87, 260,594.82 and 127,624.41

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Solution

The fourth proportional to 188,897.87, 260,594.82 and 127,624.41 is: 176,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,897.87 : 260,594.82 = 127,624.41 : x
  2. Step 2: Convert to fraction form
    188,897.87/260,594.82 = 127,624.41/x
  3. Step 3: Cross multiply
    188,897.87x = 260,594.82 × 127,624.41
  4. Step 4: Simplify right side
    188,897.87x = 33,258,260,151.56
  5. Step 5: Solve for x
    x = 33,258,260,151.56/188,897.87
  6. Step 6: Final answer
    x = 176,064.77

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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.