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Finding the Fourth Proportional to 129,934.30, 194,755.65 and 73,801.30

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Solution

The fourth proportional to 129,934.30, 194,755.65 and 73,801.30 is: 110,619.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,934.30 : 194,755.65 = 73,801.30 : x
  2. Step 2: Convert to fraction form
    129,934.30/194,755.65 = 73,801.30/x
  3. Step 3: Cross multiply
    129,934.30x = 194,755.65 × 73,801.30
  4. Step 4: Simplify right side
    129,934.30x = 14,373,220,152.35
  5. Step 5: Solve for x
    x = 14,373,220,152.35/129,934.30
  6. Step 6: Final answer
    x = 110,619.14

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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.