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Finding the Fourth Proportional to 64,199.72, 96,299.84 and 42,152.60

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Solution

The fourth proportional to 64,199.72, 96,299.84 and 42,152.60 is: 63,229.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,199.72 : 96,299.84 = 42,152.60 : x
  2. Step 2: Convert to fraction form
    64,199.72/96,299.84 = 42,152.60/x
  3. Step 3: Cross multiply
    64,199.72x = 96,299.84 × 42,152.60
  4. Step 4: Simplify right side
    64,199.72x = 4,059,288,635.58
  5. Step 5: Solve for x
    x = 4,059,288,635.58/64,199.72
  6. Step 6: Final answer
    x = 63,229.07

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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.