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Finding the Fourth Proportional to 116,375.38, 160,598.13 and 66,074.38

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Solution

The fourth proportional to 116,375.38, 160,598.13 and 66,074.38 is: 91,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,375.38 : 160,598.13 = 66,074.38 : x
  2. Step 2: Convert to fraction form
    116,375.38/160,598.13 = 66,074.38/x
  3. Step 3: Cross multiply
    116,375.38x = 160,598.13 × 66,074.38
  4. Step 4: Simplify right side
    116,375.38x = 10,611,421,219.64
  5. Step 5: Solve for x
    x = 10,611,421,219.64/116,375.38
  6. Step 6: Final answer
    x = 91,182.70

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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.