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Finding the Fourth Proportional to 106,757.67, 160,193.61 and 69,308.94

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Solution

The fourth proportional to 106,757.67, 160,193.61 and 69,308.94 is: 104,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,757.67 : 160,193.61 = 69,308.94 : x
  2. Step 2: Convert to fraction form
    106,757.67/160,193.61 = 69,308.94/x
  3. Step 3: Cross multiply
    106,757.67x = 160,193.61 × 69,308.94
  4. Step 4: Simplify right side
    106,757.67x = 11,102,849,303.87
  5. Step 5: Solve for x
    x = 11,102,849,303.87/106,757.67
  6. Step 6: Final answer
    x = 104,000.48

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1.5x scale

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.