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Finding the Fourth Proportional to 151,241.40, 208,449.42 and 110,869.32

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Solution

The fourth proportional to 151,241.40, 208,449.42 and 110,869.32 is: 152,806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,241.40 : 208,449.42 = 110,869.32 : x
  2. Step 2: Convert to fraction form
    151,241.40/208,449.42 = 110,869.32/x
  3. Step 3: Cross multiply
    151,241.40x = 208,449.42 × 110,869.32
  4. Step 4: Simplify right side
    151,241.40x = 23,110,645,449.79
  5. Step 5: Solve for x
    x = 23,110,645,449.79/151,241.40
  6. Step 6: Final answer
    x = 152,806.34

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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.