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Finding the Fourth Proportional to 61,182.71, 84,342.76 and 43,246.07

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Solution

The fourth proportional to 61,182.71, 84,342.76 and 43,246.07 is: 59,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,182.71 : 84,342.76 = 43,246.07 : x
  2. Step 2: Convert to fraction form
    61,182.71/84,342.76 = 43,246.07/x
  3. Step 3: Cross multiply
    61,182.71x = 84,342.76 × 43,246.07
  4. Step 4: Simplify right side
    61,182.71x = 3,647,492,902.95
  5. Step 5: Solve for x
    x = 3,647,492,902.95/61,182.71
  6. Step 6: Final answer
    x = 59,616.40

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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.