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Finding the Fourth Proportional to 255,298.70, 382,770.72 and 113,066.48

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Solution

The fourth proportional to 255,298.70, 382,770.72 and 113,066.48 is: 169,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,298.70 : 382,770.72 = 113,066.48 : x
  2. Step 2: Convert to fraction form
    255,298.70/382,770.72 = 113,066.48/x
  3. Step 3: Cross multiply
    255,298.70x = 382,770.72 × 113,066.48
  4. Step 4: Simplify right side
    255,298.70x = 43,278,538,914.39
  5. Step 5: Solve for x
    x = 43,278,538,914.39/255,298.70
  6. Step 6: Final answer
    x = 169,521.19

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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.