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Finding the Fourth Proportional to 86,080.52, 118,783.86 and 52,540.04

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Solution

The fourth proportional to 86,080.52, 118,783.86 and 52,540.04 is: 72,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,080.52 : 118,783.86 = 52,540.04 : x
  2. Step 2: Convert to fraction form
    86,080.52/118,783.86 = 52,540.04/x
  3. Step 3: Cross multiply
    86,080.52x = 118,783.86 × 52,540.04
  4. Step 4: Simplify right side
    86,080.52x = 6,240,908,755.75
  5. Step 5: Solve for x
    x = 6,240,908,755.75/86,080.52
  6. Step 6: Final answer
    x = 72,500.83

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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.