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Finding the Fourth Proportional to 169,551.09, 254,314.89 and 51,223.05

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Solution

The fourth proportional to 169,551.09, 254,314.89 and 51,223.05 is: 76,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,551.09 : 254,314.89 = 51,223.05 : x
  2. Step 2: Convert to fraction form
    169,551.09/254,314.89 = 51,223.05/x
  3. Step 3: Cross multiply
    169,551.09x = 254,314.89 × 51,223.05
  4. Step 4: Simplify right side
    169,551.09x = 13,026,784,326.21
  5. Step 5: Solve for x
    x = 13,026,784,326.21/169,551.09
  6. Step 6: Final answer
    x = 76,831.03

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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.