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Finding the Fourth Proportional to 70,237.95, 96,920.42 and 41,558.49

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Solution

The fourth proportional to 70,237.95, 96,920.42 and 41,558.49 is: 57,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,237.95 : 96,920.42 = 41,558.49 : x
  2. Step 2: Convert to fraction form
    70,237.95/96,920.42 = 41,558.49/x
  3. Step 3: Cross multiply
    70,237.95x = 96,920.42 × 41,558.49
  4. Step 4: Simplify right side
    70,237.95x = 4,027,866,097.57
  5. Step 5: Solve for x
    x = 4,027,866,097.57/70,237.95
  6. Step 6: Final answer
    x = 57,346.01

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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.