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Finding the Fourth Proportional to 119,352.38, 164,702.99 and 65,637.39

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Solution

The fourth proportional to 119,352.38, 164,702.99 and 65,637.39 is: 90,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,352.38 : 164,702.99 = 65,637.39 : x
  2. Step 2: Convert to fraction form
    119,352.38/164,702.99 = 65,637.39/x
  3. Step 3: Cross multiply
    119,352.38x = 164,702.99 × 65,637.39
  4. Step 4: Simplify right side
    119,352.38x = 10,810,674,060.61
  5. Step 5: Solve for x
    x = 10,810,674,060.61/119,352.38
  6. Step 6: Final answer
    x = 90,577.79

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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.