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Finding the Fourth Proportional to 70,144.76, 96,819.90 and 44,651.90

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Solution

The fourth proportional to 70,144.76, 96,819.90 and 44,651.90 is: 61,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,144.76 : 96,819.90 = 44,651.90 : x
  2. Step 2: Convert to fraction form
    70,144.76/96,819.90 = 44,651.90/x
  3. Step 3: Cross multiply
    70,144.76x = 96,819.90 × 44,651.90
  4. Step 4: Simplify right side
    70,144.76x = 4,323,192,492.81
  5. Step 5: Solve for x
    x = 4,323,192,492.81/70,144.76
  6. Step 6: Final answer
    x = 61,632.44

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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.