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Finding the Fourth Proportional to 79,840.60, 110,175.01 and 45,825.16

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Solution

The fourth proportional to 79,840.60, 110,175.01 and 45,825.16 is: 63,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,840.60 : 110,175.01 = 45,825.16 : x
  2. Step 2: Convert to fraction form
    79,840.60/110,175.01 = 45,825.16/x
  3. Step 3: Cross multiply
    79,840.60x = 110,175.01 × 45,825.16
  4. Step 4: Simplify right side
    79,840.60x = 5,048,787,232.13
  5. Step 5: Solve for x
    x = 5,048,787,232.13/79,840.60
  6. Step 6: Final answer
    x = 63,235.84

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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.