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Finding the Fourth Proportional to 79,200.72, 109,207.44 and 50,482.08

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Solution

The fourth proportional to 79,200.72, 109,207.44 and 50,482.08 is: 69,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,200.72 : 109,207.44 = 50,482.08 : x
  2. Step 2: Convert to fraction form
    79,200.72/109,207.44 = 50,482.08/x
  3. Step 3: Cross multiply
    79,200.72x = 109,207.44 × 50,482.08
  4. Step 4: Simplify right side
    79,200.72x = 5,513,018,722.68
  5. Step 5: Solve for x
    x = 5,513,018,722.68/79,200.72
  6. Step 6: Final answer
    x = 69,608.19

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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.