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Finding the Fourth Proportional to 208,342.48, 312,393.36 and 183,432.52

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Solution

The fourth proportional to 208,342.48, 312,393.36 and 183,432.52 is: 275,042.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,342.48 : 312,393.36 = 183,432.52 : x
  2. Step 2: Convert to fraction form
    208,342.48/312,393.36 = 183,432.52/x
  3. Step 3: Cross multiply
    208,342.48x = 312,393.36 × 183,432.52
  4. Step 4: Simplify right side
    208,342.48x = 57,303,101,256.07
  5. Step 5: Solve for x
    x = 57,303,101,256.07/208,342.48
  6. Step 6: Final answer
    x = 275,042.81

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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.