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Finding the Fourth Proportional to 85,106.64, 127,668.69 and 32,560.32

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Solution

The fourth proportional to 85,106.64, 127,668.69 and 32,560.32 is: 48,843.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,106.64 : 127,668.69 = 32,560.32 : x
  2. Step 2: Convert to fraction form
    85,106.64/127,668.69 = 32,560.32/x
  3. Step 3: Cross multiply
    85,106.64x = 127,668.69 × 32,560.32
  4. Step 4: Simplify right side
    85,106.64x = 4,156,933,400.38
  5. Step 5: Solve for x
    x = 4,156,933,400.38/85,106.64
  6. Step 6: Final answer
    x = 48,843.82

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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.