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Finding the Fourth Proportional to 79,467.75, 109,680.08 and 45,933.75

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Solution

The fourth proportional to 79,467.75, 109,680.08 and 45,933.75 is: 63,397.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,467.75 : 109,680.08 = 45,933.75 : x
  2. Step 2: Convert to fraction form
    79,467.75/109,680.08 = 45,933.75/x
  3. Step 3: Cross multiply
    79,467.75x = 109,680.08 × 45,933.75
  4. Step 4: Simplify right side
    79,467.75x = 5,038,017,145.03
  5. Step 5: Solve for x
    x = 5,038,017,145.03/79,467.75
  6. Step 6: Final answer
    x = 63,397.00

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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.