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Finding the Fourth Proportional to 169,551.32, 254,329.40 and 51,223.68

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Solution

The fourth proportional to 169,551.32, 254,329.40 and 51,223.68 is: 76,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,551.32 : 254,329.40 = 51,223.68 : x
  2. Step 2: Convert to fraction form
    169,551.32/254,329.40 = 51,223.68/x
  3. Step 3: Cross multiply
    169,551.32x = 254,329.40 × 51,223.68
  4. Step 4: Simplify right side
    169,551.32x = 13,027,687,800.19
  5. Step 5: Solve for x
    x = 13,027,687,800.19/169,551.32
  6. Step 6: Final answer
    x = 76,836.25

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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.