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Finding the Fourth Proportional to 252,039.66, 347,985.63 and 176,456.94

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Solution

The fourth proportional to 252,039.66, 347,985.63 and 176,456.94 is: 243,630.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,039.66 : 347,985.63 = 176,456.94 : x
  2. Step 2: Convert to fraction form
    252,039.66/347,985.63 = 176,456.94/x
  3. Step 3: Cross multiply
    252,039.66x = 347,985.63 × 176,456.94
  4. Step 4: Simplify right side
    252,039.66x = 61,404,479,433.77
  5. Step 5: Solve for x
    x = 61,404,479,433.77/252,039.66
  6. Step 6: Final answer
    x = 243,630.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.