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Finding the Fourth Proportional to 75,495.84, 104,176.44 and 43,674.72

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Solution

The fourth proportional to 75,495.84, 104,176.44 and 43,674.72 is: 60,266.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,495.84 : 104,176.44 = 43,674.72 : x
  2. Step 2: Convert to fraction form
    75,495.84/104,176.44 = 43,674.72/x
  3. Step 3: Cross multiply
    75,495.84x = 104,176.44 × 43,674.72
  4. Step 4: Simplify right side
    75,495.84x = 4,549,876,847.60
  5. Step 5: Solve for x
    x = 4,549,876,847.60/75,495.84
  6. Step 6: Final answer
    x = 60,266.59

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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.