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Finding the Fourth Proportional to 106,941.68, 160,404.15 and 28,053.85

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Solution

The fourth proportional to 106,941.68, 160,404.15 and 28,053.85 is: 42,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,941.68 : 160,404.15 = 28,053.85 : x
  2. Step 2: Convert to fraction form
    106,941.68/160,404.15 = 28,053.85/x
  3. Step 3: Cross multiply
    106,941.68x = 160,404.15 × 28,053.85
  4. Step 4: Simplify right side
    106,941.68x = 4,499,953,161.46
  5. Step 5: Solve for x
    x = 4,499,953,161.46/106,941.68
  6. Step 6: Final answer
    x = 42,078.57

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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.