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Finding the Fourth Proportional to 273,535.70, 410,265.15 and 86,566.10

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Solution

The fourth proportional to 273,535.70, 410,265.15 and 86,566.10 is: 129,837.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,535.70 : 410,265.15 = 86,566.10 : x
  2. Step 2: Convert to fraction form
    273,535.70/410,265.15 = 86,566.10/x
  3. Step 3: Cross multiply
    273,535.70x = 410,265.15 × 86,566.10
  4. Step 4: Simplify right side
    273,535.70x = 35,515,054,001.42
  5. Step 5: Solve for x
    x = 35,515,054,001.42/273,535.70
  6. Step 6: Final answer
    x = 129,837.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.