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Finding the Fourth Proportional to 169,359.50, 254,039.37 and 43,009.22

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Solution

The fourth proportional to 169,359.50, 254,039.37 and 43,009.22 is: 64,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,359.50 : 254,039.37 = 43,009.22 : x
  2. Step 2: Convert to fraction form
    169,359.50/254,039.37 = 43,009.22/x
  3. Step 3: Cross multiply
    169,359.50x = 254,039.37 × 43,009.22
  4. Step 4: Simplify right side
    169,359.50x = 10,926,035,152.99
  5. Step 5: Solve for x
    x = 10,926,035,152.99/169,359.50
  6. Step 6: Final answer
    x = 64,513.86

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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.