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Finding the Fourth Proportional to 242,906.60, 335,211.56 and 135,483.56

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Solution

The fourth proportional to 242,906.60, 335,211.56 and 135,483.56 is: 186,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,906.60 : 335,211.56 = 135,483.56 : x
  2. Step 2: Convert to fraction form
    242,906.60/335,211.56 = 135,483.56/x
  3. Step 3: Cross multiply
    242,906.60x = 335,211.56 × 135,483.56
  4. Step 4: Simplify right side
    242,906.60x = 45,415,654,913.58
  5. Step 5: Solve for x
    x = 45,415,654,913.58/242,906.60
  6. Step 6: Final answer
    x = 186,967.56

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1.5x scale

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.