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Finding the Fourth Proportional to 169,827.60, 254,692.80 and 51,470.40

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Solution

The fourth proportional to 169,827.60, 254,692.80 and 51,470.40 is: 77,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,827.60 : 254,692.80 = 51,470.40 : x
  2. Step 2: Convert to fraction form
    169,827.60/254,692.80 = 51,470.40/x
  3. Step 3: Cross multiply
    169,827.60x = 254,692.80 × 51,470.40
  4. Step 4: Simplify right side
    169,827.60x = 13,109,140,293.12
  5. Step 5: Solve for x
    x = 13,109,140,293.12/169,827.60
  6. Step 6: Final answer
    x = 77,190.87

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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.