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Finding the Fourth Proportional to 179,710.67, 269,487.27 and 67,312.01

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Solution

The fourth proportional to 179,710.67, 269,487.27 and 67,312.01 is: 100,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,710.67 : 269,487.27 = 67,312.01 : x
  2. Step 2: Convert to fraction form
    179,710.67/269,487.27 = 67,312.01/x
  3. Step 3: Cross multiply
    179,710.67x = 269,487.27 × 67,312.01
  4. Step 4: Simplify right side
    179,710.67x = 18,139,729,813.11
  5. Step 5: Solve for x
    x = 18,139,729,813.11/179,710.67
  6. Step 6: Final answer
    x = 100,938.52

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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.