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Finding the Fourth Proportional to 167,245.60, 250,868.40 and 78,560.32

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Solution

The fourth proportional to 167,245.60, 250,868.40 and 78,560.32 is: 117,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,245.60 : 250,868.40 = 78,560.32 : x
  2. Step 2: Convert to fraction form
    167,245.60/250,868.40 = 78,560.32/x
  3. Step 3: Cross multiply
    167,245.60x = 250,868.40 × 78,560.32
  4. Step 4: Simplify right side
    167,245.60x = 19,708,301,781.89
  5. Step 5: Solve for x
    x = 19,708,301,781.89/167,245.60
  6. Step 6: Final answer
    x = 117,840.48

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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.