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Finding the Fourth Proportional to 119,263.68, 164,585.52 and 65,553.84

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Solution

The fourth proportional to 119,263.68, 164,585.52 and 65,553.84 is: 90,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,263.68 : 164,585.52 = 65,553.84 : x
  2. Step 2: Convert to fraction form
    119,263.68/164,585.52 = 65,553.84/x
  3. Step 3: Cross multiply
    119,263.68x = 164,585.52 × 65,553.84
  4. Step 4: Simplify right side
    119,263.68x = 10,789,212,844.40
  5. Step 5: Solve for x
    x = 10,789,212,844.40/119,263.68
  6. Step 6: Final answer
    x = 90,465.20

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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.