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Finding the Fourth Proportional to 75,095.40, 103,561.40 and 50,899.88

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Solution

The fourth proportional to 75,095.40, 103,561.40 and 50,899.88 is: 70,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,095.40 : 103,561.40 = 50,899.88 : x
  2. Step 2: Convert to fraction form
    75,095.40/103,561.40 = 50,899.88/x
  3. Step 3: Cross multiply
    75,095.40x = 103,561.40 × 50,899.88
  4. Step 4: Simplify right side
    75,095.40x = 5,271,262,832.63
  5. Step 5: Solve for x
    x = 5,271,262,832.63/75,095.40
  6. Step 6: Final answer
    x = 70,194.22

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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.