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Finding the Fourth Proportional to 169,783.70, 254,674.94 and 51,454.85

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Solution

The fourth proportional to 169,783.70, 254,674.94 and 51,454.85 is: 77,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,783.70 : 254,674.94 = 51,454.85 : x
  2. Step 2: Convert to fraction form
    169,783.70/254,674.94 = 51,454.85/x
  3. Step 3: Cross multiply
    169,783.70x = 254,674.94 × 51,454.85
  4. Step 4: Simplify right side
    169,783.70x = 13,104,259,305.81
  5. Step 5: Solve for x
    x = 13,104,259,305.81/169,783.70
  6. Step 6: Final answer
    x = 77,182.08

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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.