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Finding the Fourth Proportional to 232,368.63, 348,480.05 and 74,562

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Solution

The fourth proportional to 232,368.63, 348,480.05 and 74,562 is: 111,819.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,368.63 : 348,480.05 = 74,562 : x
  2. Step 2: Convert to fraction form
    232,368.63/348,480.05 = 74,562/x
  3. Step 3: Cross multiply
    232,368.63x = 348,480.05 × 74,562
  4. Step 4: Simplify right side
    232,368.63x = 25,983,369,115.29
  5. Step 5: Solve for x
    x = 25,983,369,115.29/232,368.63
  6. Step 6: Final answer
    x = 111,819.61

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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.