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Finding the Fourth Proportional to 112,059.60, 167,914.24 and 70,419.12

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Solution

The fourth proportional to 112,059.60, 167,914.24 and 70,419.12 is: 105,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,059.60 : 167,914.24 = 70,419.12 : x
  2. Step 2: Convert to fraction form
    112,059.60/167,914.24 = 70,419.12/x
  3. Step 3: Cross multiply
    112,059.60x = 167,914.24 × 70,419.12
  4. Step 4: Simplify right side
    112,059.60x = 11,824,373,016.27
  5. Step 5: Solve for x
    x = 11,824,373,016.27/112,059.60
  6. Step 6: Final answer
    x = 105,518.61

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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.