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Finding the Fourth Proportional to 169,555.10, 254,320.88 and 51,227.06

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Solution

The fourth proportional to 169,555.10, 254,320.88 and 51,227.06 is: 76,837.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,555.10 : 254,320.88 = 51,227.06 : x
  2. Step 2: Convert to fraction form
    169,555.10/254,320.88 = 51,227.06/x
  3. Step 3: Cross multiply
    169,555.10x = 254,320.88 × 51,227.06
  4. Step 4: Simplify right side
    169,555.10x = 13,028,110,979.01
  5. Step 5: Solve for x
    x = 13,028,110,979.01/169,555.10
  6. Step 6: Final answer
    x = 76,837.03

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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.