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Finding the Fourth Proportional to 79,805.86, 110,132.09 and 45,816.55

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Solution

The fourth proportional to 79,805.86, 110,132.09 and 45,816.55 is: 63,226.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,805.86 : 110,132.09 = 45,816.55 : x
  2. Step 2: Convert to fraction form
    79,805.86/110,132.09 = 45,816.55/x
  3. Step 3: Cross multiply
    79,805.86x = 110,132.09 × 45,816.55
  4. Step 4: Simplify right side
    79,805.86x = 5,045,872,075.49
  5. Step 5: Solve for x
    x = 5,045,872,075.49/79,805.86
  6. Step 6: Final answer
    x = 63,226.84

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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.