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Finding the Fourth Proportional to 129,182.38, 193,774.38 and 35,688.94

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Solution

The fourth proportional to 129,182.38, 193,774.38 and 35,688.94 is: 53,533.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,182.38 : 193,774.38 = 35,688.94 : x
  2. Step 2: Convert to fraction form
    129,182.38/193,774.38 = 35,688.94/x
  3. Step 3: Cross multiply
    129,182.38x = 193,774.38 × 35,688.94
  4. Step 4: Simplify right side
    129,182.38x = 6,915,601,074.04
  5. Step 5: Solve for x
    x = 6,915,601,074.04/129,182.38
  6. Step 6: Final answer
    x = 53,533.63

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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.