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Finding the Fourth Proportional to 119,254.88, 164,575.68 and 65,541.80

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Solution

The fourth proportional to 119,254.88, 164,575.68 and 65,541.80 is: 90,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,254.88 : 164,575.68 = 65,541.80 : x
  2. Step 2: Convert to fraction form
    119,254.88/164,575.68 = 65,541.80/x
  3. Step 3: Cross multiply
    119,254.88x = 164,575.68 × 65,541.80
  4. Step 4: Simplify right side
    119,254.88x = 10,786,586,303.42
  5. Step 5: Solve for x
    x = 10,786,586,303.42/119,254.88
  6. Step 6: Final answer
    x = 90,449.85

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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.