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Finding the Fourth Proportional to 169,470.09, 254,054.12 and 64,362.87

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Solution

The fourth proportional to 169,470.09, 254,054.12 and 64,362.87 is: 96,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,470.09 : 254,054.12 = 64,362.87 : x
  2. Step 2: Convert to fraction form
    169,470.09/254,054.12 = 64,362.87/x
  3. Step 3: Cross multiply
    169,470.09x = 254,054.12 × 64,362.87
  4. Step 4: Simplify right side
    169,470.09x = 16,351,651,976.71
  5. Step 5: Solve for x
    x = 16,351,651,976.71/169,470.09
  6. Step 6: Final answer
    x = 96,486.95

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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.