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Finding the Fourth Proportional to 119,318.37, 164,657.87 and 65,602.92

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Solution

The fourth proportional to 119,318.37, 164,657.87 and 65,602.92 is: 90,531.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,318.37 : 164,657.87 = 65,602.92 : x
  2. Step 2: Convert to fraction form
    119,318.37/164,657.87 = 65,602.92/x
  3. Step 3: Cross multiply
    119,318.37x = 164,657.87 × 65,602.92
  4. Step 4: Simplify right side
    119,318.37x = 10,802,036,619.52
  5. Step 5: Solve for x
    x = 10,802,036,619.52/119,318.37
  6. Step 6: Final answer
    x = 90,531.21

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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.