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Finding the Fourth Proportional to 74,953.84, 103,260.66 and 52,251.58

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Solution

The fourth proportional to 74,953.84, 103,260.66 and 52,251.58 is: 71,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,953.84 : 103,260.66 = 52,251.58 : x
  2. Step 2: Convert to fraction form
    74,953.84/103,260.66 = 52,251.58/x
  3. Step 3: Cross multiply
    74,953.84x = 103,260.66 × 52,251.58
  4. Step 4: Simplify right side
    74,953.84x = 5,395,532,636.84
  5. Step 5: Solve for x
    x = 5,395,532,636.84/74,953.84
  6. Step 6: Final answer
    x = 71,984.74

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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.