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Finding the Fourth Proportional to 71,904.32, 107,933.16 and 63,636.92

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Solution

The fourth proportional to 71,904.32, 107,933.16 and 63,636.92 is: 95,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,904.32 : 107,933.16 = 63,636.92 : x
  2. Step 2: Convert to fraction form
    71,904.32/107,933.16 = 63,636.92/x
  3. Step 3: Cross multiply
    71,904.32x = 107,933.16 × 63,636.92
  4. Step 4: Simplify right side
    71,904.32x = 6,868,533,868.27
  5. Step 5: Solve for x
    x = 6,868,533,868.27/71,904.32
  6. Step 6: Final answer
    x = 95,523.24

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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.