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Finding the Fourth Proportional to 188,423.66, 260,069.36 and 107,897.41

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Solution

The fourth proportional to 188,423.66, 260,069.36 and 107,897.41 is: 148,924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,423.66 : 260,069.36 = 107,897.41 : x
  2. Step 2: Convert to fraction form
    188,423.66/260,069.36 = 107,897.41/x
  3. Step 3: Cross multiply
    188,423.66x = 260,069.36 × 107,897.41
  4. Step 4: Simplify right side
    188,423.66x = 28,060,809,174.70
  5. Step 5: Solve for x
    x = 28,060,809,174.70/188,423.66
  6. Step 6: Final answer
    x = 148,924.02

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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.