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Finding the Fourth Proportional to 75,645.63, 113,486.58 and 23,051.88

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Solution

The fourth proportional to 75,645.63, 113,486.58 and 23,051.88 is: 34,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,645.63 : 113,486.58 = 23,051.88 : x
  2. Step 2: Convert to fraction form
    75,645.63/113,486.58 = 23,051.88/x
  3. Step 3: Cross multiply
    75,645.63x = 113,486.58 × 23,051.88
  4. Step 4: Simplify right side
    75,645.63x = 2,616,079,023.77
  5. Step 5: Solve for x
    x = 2,616,079,023.77/75,645.63
  6. Step 6: Final answer
    x = 34,583.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.