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Finding the Fourth Proportional to 75,060.42, 103,583.46 and 43,229.40

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Solution

The fourth proportional to 75,060.42, 103,583.46 and 43,229.40 is: 59,656.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,060.42 : 103,583.46 = 43,229.40 : x
  2. Step 2: Convert to fraction form
    75,060.42/103,583.46 = 43,229.40/x
  3. Step 3: Cross multiply
    75,060.42x = 103,583.46 × 43,229.40
  4. Step 4: Simplify right side
    75,060.42x = 4,477,850,356.23
  5. Step 5: Solve for x
    x = 4,477,850,356.23/75,060.42
  6. Step 6: Final answer
    x = 59,656.61

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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.