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Finding the Fourth Proportional to 75,325.56, 103,941.84 and 43,495.80

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Solution

The fourth proportional to 75,325.56, 103,941.84 and 43,495.80 is: 60,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,325.56 : 103,941.84 = 43,495.80 : x
  2. Step 2: Convert to fraction form
    75,325.56/103,941.84 = 43,495.80/x
  3. Step 3: Cross multiply
    75,325.56x = 103,941.84 × 43,495.80
  4. Step 4: Simplify right side
    75,325.56x = 4,521,033,484.27
  5. Step 5: Solve for x
    x = 4,521,033,484.27/75,325.56
  6. Step 6: Final answer
    x = 60,019.91

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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.