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Finding the Fourth Proportional to 252,573.94, 348,549.78 and 137,851.48

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Solution

The fourth proportional to 252,573.94, 348,549.78 and 137,851.48 is: 190,233.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,573.94 : 348,549.78 = 137,851.48 : x
  2. Step 2: Convert to fraction form
    252,573.94/348,549.78 = 137,851.48/x
  3. Step 3: Cross multiply
    252,573.94x = 348,549.78 × 137,851.48
  4. Step 4: Simplify right side
    252,573.94x = 48,048,103,026.67
  5. Step 5: Solve for x
    x = 48,048,103,026.67/252,573.94
  6. Step 6: Final answer
    x = 190,233.81

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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.