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Finding the Fourth Proportional to 79,224.69, 109,330.07 and 45,690.69

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Solution

The fourth proportional to 79,224.69, 109,330.07 and 45,690.69 is: 63,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,224.69 : 109,330.07 = 45,690.69 : x
  2. Step 2: Convert to fraction form
    79,224.69/109,330.07 = 45,690.69/x
  3. Step 3: Cross multiply
    79,224.69x = 109,330.07 × 45,690.69
  4. Step 4: Simplify right side
    79,224.69x = 4,995,366,336.05
  5. Step 5: Solve for x
    x = 4,995,366,336.05/79,224.69
  6. Step 6: Final answer
    x = 63,053.15

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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.