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Finding the Fourth Proportional to 79,805.62, 110,130.87 and 45,814.92

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Solution

The fourth proportional to 79,805.62, 110,130.87 and 45,814.92 is: 63,224.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,805.62 : 110,130.87 = 45,814.92 : x
  2. Step 2: Convert to fraction form
    79,805.62/110,130.87 = 45,814.92/x
  3. Step 3: Cross multiply
    79,805.62x = 110,130.87 × 45,814.92
  4. Step 4: Simplify right side
    79,805.62x = 5,045,636,998.58
  5. Step 5: Solve for x
    x = 5,045,636,998.58/79,805.62
  6. Step 6: Final answer
    x = 63,224.08

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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.