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Finding the Fourth Proportional to 107,135.84, 160,733.85 and 39,666.86

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Solution

The fourth proportional to 107,135.84, 160,733.85 and 39,666.86 is: 59,511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,135.84 : 160,733.85 = 39,666.86 : x
  2. Step 2: Convert to fraction form
    107,135.84/160,733.85 = 39,666.86/x
  3. Step 3: Cross multiply
    107,135.84x = 160,733.85 × 39,666.86
  4. Step 4: Simplify right side
    107,135.84x = 6,375,807,125.21
  5. Step 5: Solve for x
    x = 6,375,807,125.21/107,135.84
  6. Step 6: Final answer
    x = 59,511.43

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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.