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Finding the Fourth Proportional to 222,042.35, 332,483.80 and 145,901.49

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Solution

The fourth proportional to 222,042.35, 332,483.80 and 145,901.49 is: 218,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,042.35 : 332,483.80 = 145,901.49 : x
  2. Step 2: Convert to fraction form
    222,042.35/332,483.80 = 145,901.49/x
  3. Step 3: Cross multiply
    222,042.35x = 332,483.80 × 145,901.49
  4. Step 4: Simplify right side
    222,042.35x = 48,509,881,820.86
  5. Step 5: Solve for x
    x = 48,509,881,820.86/222,042.35
  6. Step 6: Final answer
    x = 218,471.30

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1.5x scale

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.