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Finding the Fourth Proportional to 118,093.06, 162,965.14 and 64,379.13

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Solution

The fourth proportional to 118,093.06, 162,965.14 and 64,379.13 is: 88,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,093.06 : 162,965.14 = 64,379.13 : x
  2. Step 2: Convert to fraction form
    118,093.06/162,965.14 = 64,379.13/x
  3. Step 3: Cross multiply
    118,093.06x = 162,965.14 × 64,379.13
  4. Step 4: Simplify right side
    118,093.06x = 10,491,553,933.53
  5. Step 5: Solve for x
    x = 10,491,553,933.53/118,093.06
  6. Step 6: Final answer
    x = 88,841.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.