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Finding the Fourth Proportional to 148,479.63, 222,756.61 and 43,298.61

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Solution

The fourth proportional to 148,479.63, 222,756.61 and 43,298.61 is: 64,958.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,479.63 : 222,756.61 = 43,298.61 : x
  2. Step 2: Convert to fraction form
    148,479.63/222,756.61 = 43,298.61/x
  3. Step 3: Cross multiply
    148,479.63x = 222,756.61 × 43,298.61
  4. Step 4: Simplify right side
    148,479.63x = 9,645,051,581.31
  5. Step 5: Solve for x
    x = 9,645,051,581.31/148,479.63
  6. Step 6: Final answer
    x = 64,958.75

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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.