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Finding the Fourth Proportional to 96,637, 133,359.06 and 54,194.62

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Solution

The fourth proportional to 96,637, 133,359.06 and 54,194.62 is: 74,788.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,637 : 133,359.06 = 54,194.62 : x
  2. Step 2: Convert to fraction form
    96,637/133,359.06 = 54,194.62/x
  3. Step 3: Cross multiply
    96,637x = 133,359.06 × 54,194.62
  4. Step 4: Simplify right side
    96,637x = 7,227,343,580.26
  5. Step 5: Solve for x
    x = 7,227,343,580.26/96,637
  6. Step 6: Final answer
    x = 74,788.58

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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.