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Finding the Fourth Proportional to 129,834.90, 194,752.35 and 129,834.90

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Solution

The fourth proportional to 129,834.90, 194,752.35 and 129,834.90 is: 194,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,834.90 : 194,752.35 = 129,834.90 : x
  2. Step 2: Convert to fraction form
    129,834.90/194,752.35 = 129,834.90/x
  3. Step 3: Cross multiply
    129,834.90x = 194,752.35 × 129,834.90
  4. Step 4: Simplify right side
    129,834.90x = 25,285,651,887.02
  5. Step 5: Solve for x
    x = 25,285,651,887.02/129,834.90
  6. Step 6: Final answer
    x = 194,752.35

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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.