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Finding the Fourth Proportional to 174,437.90, 261,656.85 and 164,069.90

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Solution

The fourth proportional to 174,437.90, 261,656.85 and 164,069.90 is: 246,104.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,437.90 : 261,656.85 = 164,069.90 : x
  2. Step 2: Convert to fraction form
    174,437.90/261,656.85 = 164,069.90/x
  3. Step 3: Cross multiply
    174,437.90x = 261,656.85 × 164,069.90
  4. Step 4: Simplify right side
    174,437.90x = 42,930,013,213.82
  5. Step 5: Solve for x
    x = 42,930,013,213.82/174,437.90
  6. Step 6: Final answer
    x = 246,104.85

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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.