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Finding the Fourth Proportional to 65,341.50, 90,166.41 and 37,046.58

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Solution

The fourth proportional to 65,341.50, 90,166.41 and 37,046.58 is: 51,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,341.50 : 90,166.41 = 37,046.58 : x
  2. Step 2: Convert to fraction form
    65,341.50/90,166.41 = 37,046.58/x
  3. Step 3: Cross multiply
    65,341.50x = 90,166.41 × 37,046.58
  4. Step 4: Simplify right side
    65,341.50x = 3,340,357,121.38
  5. Step 5: Solve for x
    x = 3,340,357,121.38/65,341.50
  6. Step 6: Final answer
    x = 51,121.52

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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.