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Finding the Fourth Proportional to 80,894.32, 121,341.75 and 24,734.22

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Solution

The fourth proportional to 80,894.32, 121,341.75 and 24,734.22 is: 37,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,894.32 : 121,341.75 = 24,734.22 : x
  2. Step 2: Convert to fraction form
    80,894.32/121,341.75 = 24,734.22/x
  3. Step 3: Cross multiply
    80,894.32x = 121,341.75 × 24,734.22
  4. Step 4: Simplify right side
    80,894.32x = 3,001,293,539.69
  5. Step 5: Solve for x
    x = 3,001,293,539.69/80,894.32
  6. Step 6: Final answer
    x = 37,101.41

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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.