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Finding the Fourth Proportional to 70,187.59, 96,827.79 and 41,876.92

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Solution

The fourth proportional to 70,187.59, 96,827.79 and 41,876.92 is: 57,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,187.59 : 96,827.79 = 41,876.92 : x
  2. Step 2: Convert to fraction form
    70,187.59/96,827.79 = 41,876.92/x
  3. Step 3: Cross multiply
    70,187.59x = 96,827.79 × 41,876.92
  4. Step 4: Simplify right side
    70,187.59x = 4,054,849,615.61
  5. Step 5: Solve for x
    x = 4,054,849,615.61/70,187.59
  6. Step 6: Final answer
    x = 57,771.60

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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.