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Finding the Fourth Proportional to 73,640.52, 101,629.74 and 41,810.76

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Solution

The fourth proportional to 73,640.52, 101,629.74 and 41,810.76 is: 57,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,640.52 : 101,629.74 = 41,810.76 : x
  2. Step 2: Convert to fraction form
    73,640.52/101,629.74 = 41,810.76/x
  3. Step 3: Cross multiply
    73,640.52x = 101,629.74 × 41,810.76
  4. Step 4: Simplify right side
    73,640.52x = 4,249,216,668.00
  5. Step 5: Solve for x
    x = 4,249,216,668.00/73,640.52
  6. Step 6: Final answer
    x = 57,702.15

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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.