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Finding the Fourth Proportional to 104,378.92, 156,597.72 and 34,307.44

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Solution

The fourth proportional to 104,378.92, 156,597.72 and 34,307.44 is: 51,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,378.92 : 156,597.72 = 34,307.44 : x
  2. Step 2: Convert to fraction form
    104,378.92/156,597.72 = 34,307.44/x
  3. Step 3: Cross multiply
    104,378.92x = 156,597.72 × 34,307.44
  4. Step 4: Simplify right side
    104,378.92x = 5,372,466,883.04
  5. Step 5: Solve for x
    x = 5,372,466,883.04/104,378.92
  6. Step 6: Final answer
    x = 51,470.80

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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.