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Finding the Fourth Proportional to 112,034.40, 168,051.60 and 95,121.60

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Solution

The fourth proportional to 112,034.40, 168,051.60 and 95,121.60 is: 142,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,034.40 : 168,051.60 = 95,121.60 : x
  2. Step 2: Convert to fraction form
    112,034.40/168,051.60 = 95,121.60/x
  3. Step 3: Cross multiply
    112,034.40x = 168,051.60 × 95,121.60
  4. Step 4: Simplify right side
    112,034.40x = 15,985,337,074.56
  5. Step 5: Solve for x
    x = 15,985,337,074.56/112,034.40
  6. Step 6: Final answer
    x = 142,682.40

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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.