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Finding the Fourth Proportional to 188,191.08, 282,071.85 and 75,799.32

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Solution

The fourth proportional to 188,191.08, 282,071.85 and 75,799.32 is: 113,612.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,191.08 : 282,071.85 = 75,799.32 : x
  2. Step 2: Convert to fraction form
    188,191.08/282,071.85 = 75,799.32/x
  3. Step 3: Cross multiply
    188,191.08x = 282,071.85 × 75,799.32
  4. Step 4: Simplify right side
    188,191.08x = 21,380,854,421.14
  5. Step 5: Solve for x
    x = 21,380,854,421.14/188,191.08
  6. Step 6: Final answer
    x = 113,612.48

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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.