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Finding the Fourth Proportional to 242,906.42, 335,211.46 and 135,483.42

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Solution

The fourth proportional to 242,906.42, 335,211.46 and 135,483.42 is: 186,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,906.42 : 335,211.46 = 135,483.42 : x
  2. Step 2: Convert to fraction form
    242,906.42/335,211.46 = 135,483.42/x
  3. Step 3: Cross multiply
    242,906.42x = 335,211.46 × 135,483.42
  4. Step 4: Simplify right side
    242,906.42x = 45,415,595,023.99
  5. Step 5: Solve for x
    x = 45,415,595,023.99/242,906.42
  6. Step 6: Final answer
    x = 186,967.45

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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.