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Finding the Fourth Proportional to 75,395.68, 104,038.68 and 43,560.16

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Solution

The fourth proportional to 75,395.68, 104,038.68 and 43,560.16 is: 60,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,395.68 : 104,038.68 = 43,560.16 : x
  2. Step 2: Convert to fraction form
    75,395.68/104,038.68 = 43,560.16/x
  3. Step 3: Cross multiply
    75,395.68x = 104,038.68 × 43,560.16
  4. Step 4: Simplify right side
    75,395.68x = 4,531,941,546.99
  5. Step 5: Solve for x
    x = 4,531,941,546.99/75,395.68
  6. Step 6: Final answer
    x = 60,108.77

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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.