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Finding the Fourth Proportional to 97,520.64, 134,568.60 and 55,070.96

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Solution

The fourth proportional to 97,520.64, 134,568.60 and 55,070.96 is: 75,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,520.64 : 134,568.60 = 55,070.96 : x
  2. Step 2: Convert to fraction form
    97,520.64/134,568.60 = 55,070.96/x
  3. Step 3: Cross multiply
    97,520.64x = 134,568.60 × 55,070.96
  4. Step 4: Simplify right side
    97,520.64x = 7,410,821,987.86
  5. Step 5: Solve for x
    x = 7,410,821,987.86/97,520.64
  6. Step 6: Final answer
    x = 75,992.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.