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Finding the Fourth Proportional to 315,032.70, 472,246.65 and 104,562.30

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Solution

The fourth proportional to 315,032.70, 472,246.65 and 104,562.30 is: 156,743.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,032.70 : 472,246.65 = 104,562.30 : x
  2. Step 2: Convert to fraction form
    315,032.70/472,246.65 = 104,562.30/x
  3. Step 3: Cross multiply
    315,032.70x = 472,246.65 × 104,562.30
  4. Step 4: Simplify right side
    315,032.70x = 49,379,195,891.30
  5. Step 5: Solve for x
    x = 49,379,195,891.30/315,032.70
  6. Step 6: Final answer
    x = 156,743.08

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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.