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Finding the Fourth Proportional to 75,216.76, 112,828.26 and 62,044.60

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Solution

The fourth proportional to 75,216.76, 112,828.26 and 62,044.60 is: 93,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,216.76 : 112,828.26 = 62,044.60 : x
  2. Step 2: Convert to fraction form
    75,216.76/112,828.26 = 62,044.60/x
  3. Step 3: Cross multiply
    75,216.76x = 112,828.26 × 62,044.60
  4. Step 4: Simplify right side
    75,216.76x = 7,000,384,260.40
  5. Step 5: Solve for x
    x = 7,000,384,260.40/75,216.76
  6. Step 6: Final answer
    x = 93,069.47

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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.