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Finding the Fourth Proportional to 312,374.70, 468,562.11 and 112,695.02

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Solution

The fourth proportional to 312,374.70, 468,562.11 and 112,695.02 is: 169,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,374.70 : 468,562.11 = 112,695.02 : x
  2. Step 2: Convert to fraction form
    312,374.70/468,562.11 = 112,695.02/x
  3. Step 3: Cross multiply
    312,374.70x = 468,562.11 × 112,695.02
  4. Step 4: Simplify right side
    312,374.70x = 52,804,616,357.69
  5. Step 5: Solve for x
    x = 52,804,616,357.69/312,374.70
  6. Step 6: Final answer
    x = 169,042.55

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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.