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Finding the Fourth Proportional to 75,056, 103,568.28 and 43,235.24

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Solution

The fourth proportional to 75,056, 103,568.28 and 43,235.24 is: 59,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,056 : 103,568.28 = 43,235.24 : x
  2. Step 2: Convert to fraction form
    75,056/103,568.28 = 43,235.24/x
  3. Step 3: Cross multiply
    75,056x = 103,568.28 × 43,235.24
  4. Step 4: Simplify right side
    75,056x = 4,477,799,442.19
  5. Step 5: Solve for x
    x = 4,477,799,442.19/75,056
  6. Step 6: Final answer
    x = 59,659.45

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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.