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Finding the Fourth Proportional to 169,580.10, 254,370.15 and 51,269.70

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Solution

The fourth proportional to 169,580.10, 254,370.15 and 51,269.70 is: 76,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,580.10 : 254,370.15 = 51,269.70 : x
  2. Step 2: Convert to fraction form
    169,580.10/254,370.15 = 51,269.70/x
  3. Step 3: Cross multiply
    169,580.10x = 254,370.15 × 51,269.70
  4. Step 4: Simplify right side
    169,580.10x = 13,041,481,279.46
  5. Step 5: Solve for x
    x = 13,041,481,279.46/169,580.10
  6. Step 6: Final answer
    x = 76,904.55

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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.