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Finding the Fourth Proportional to 119,562.61, 164,991.08 and 68,538.76

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Solution

The fourth proportional to 119,562.61, 164,991.08 and 68,538.76 is: 94,580.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,562.61 : 164,991.08 = 68,538.76 : x
  2. Step 2: Convert to fraction form
    119,562.61/164,991.08 = 68,538.76/x
  3. Step 3: Cross multiply
    119,562.61x = 164,991.08 × 68,538.76
  4. Step 4: Simplify right side
    119,562.61x = 11,308,282,866.61
  5. Step 5: Solve for x
    x = 11,308,282,866.61/119,562.61
  6. Step 6: Final answer
    x = 94,580.43

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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.