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Finding the Fourth Proportional to 76,205.44, 105,175.47 and 45,995.05

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Solution

The fourth proportional to 76,205.44, 105,175.47 and 45,995.05 is: 63,480.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,205.44 : 105,175.47 = 45,995.05 : x
  2. Step 2: Convert to fraction form
    76,205.44/105,175.47 = 45,995.05/x
  3. Step 3: Cross multiply
    76,205.44x = 105,175.47 × 45,995.05
  4. Step 4: Simplify right side
    76,205.44x = 4,837,551,001.42
  5. Step 5: Solve for x
    x = 4,837,551,001.42/76,205.44
  6. Step 6: Final answer
    x = 63,480.39

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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.