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Finding the Fourth Proportional to 119,483.77, 164,887.68 and 65,769.68

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Solution

The fourth proportional to 119,483.77, 164,887.68 and 65,769.68 is: 90,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,483.77 : 164,887.68 = 65,769.68 : x
  2. Step 2: Convert to fraction form
    119,483.77/164,887.68 = 65,769.68/x
  3. Step 3: Cross multiply
    119,483.77x = 164,887.68 × 65,769.68
  4. Step 4: Simplify right side
    119,483.77x = 10,844,610,608.40
  5. Step 5: Solve for x
    x = 10,844,610,608.40/119,483.77
  6. Step 6: Final answer
    x = 90,762.21

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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.