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Finding the Fourth Proportional to 167,366.48, 230,869.32 and 100,259.60

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Solution

The fourth proportional to 167,366.48, 230,869.32 and 100,259.60 is: 138,300.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,366.48 : 230,869.32 = 100,259.60 : x
  2. Step 2: Convert to fraction form
    167,366.48/230,869.32 = 100,259.60/x
  3. Step 3: Cross multiply
    167,366.48x = 230,869.32 × 100,259.60
  4. Step 4: Simplify right side
    167,366.48x = 23,146,865,675.47
  5. Step 5: Solve for x
    x = 23,146,865,675.47/167,366.48
  6. Step 6: Final answer
    x = 138,300.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.