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Finding the Fourth Proportional to 252,548.88, 348,512.36 and 137,829.80

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Solution

The fourth proportional to 252,548.88, 348,512.36 and 137,829.80 is: 190,202.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,548.88 : 348,512.36 = 137,829.80 : x
  2. Step 2: Convert to fraction form
    252,548.88/348,512.36 = 137,829.80/x
  3. Step 3: Cross multiply
    252,548.88x = 348,512.36 × 137,829.80
  4. Step 4: Simplify right side
    252,548.88x = 48,035,386,444.62
  5. Step 5: Solve for x
    x = 48,035,386,444.62/252,548.88
  6. Step 6: Final answer
    x = 190,202.33

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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.