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Finding the Fourth Proportional to 252,572.94, 348,548.40 and 137,850.48

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Solution

The fourth proportional to 252,572.94, 348,548.40 and 137,850.48 is: 190,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,572.94 : 348,548.40 = 137,850.48 : x
  2. Step 2: Convert to fraction form
    252,572.94/348,548.40 = 137,850.48/x
  3. Step 3: Cross multiply
    252,572.94x = 348,548.40 × 137,850.48
  4. Step 4: Simplify right side
    252,572.94x = 48,047,564,243.23
  5. Step 5: Solve for x
    x = 48,047,564,243.23/252,572.94
  6. Step 6: Final answer
    x = 190,232.43

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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.