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Finding the Fourth Proportional to 75,503.79, 113,256.37 and 22,913.28

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Solution

The fourth proportional to 75,503.79, 113,256.37 and 22,913.28 is: 34,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,503.79 : 113,256.37 = 22,913.28 : x
  2. Step 2: Convert to fraction form
    75,503.79/113,256.37 = 22,913.28/x
  3. Step 3: Cross multiply
    75,503.79x = 113,256.37 × 22,913.28
  4. Step 4: Simplify right side
    75,503.79x = 2,595,074,917.59
  5. Step 5: Solve for x
    x = 2,595,074,917.59/75,503.79
  6. Step 6: Final answer
    x = 34,370.13

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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.