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Finding the Fourth Proportional to 119,482.66, 164,884.81 and 65,766.52

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Solution

The fourth proportional to 119,482.66, 164,884.81 and 65,766.52 is: 90,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,482.66 : 164,884.81 = 65,766.52 : x
  2. Step 2: Convert to fraction form
    119,482.66/164,884.81 = 65,766.52/x
  3. Step 3: Cross multiply
    119,482.66x = 164,884.81 × 65,766.52
  4. Step 4: Simplify right side
    119,482.66x = 10,843,900,154.56
  5. Step 5: Solve for x
    x = 10,843,900,154.56/119,482.66
  6. Step 6: Final answer
    x = 90,757.10

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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.