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Finding the Fourth Proportional to 252,548.60, 348,507.96 and 139,368.92

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Solution

The fourth proportional to 252,548.60, 348,507.96 and 139,368.92 is: 192,324.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,548.60 : 348,507.96 = 139,368.92 : x
  2. Step 2: Convert to fraction form
    252,548.60/348,507.96 = 139,368.92/x
  3. Step 3: Cross multiply
    252,548.60x = 348,507.96 × 139,368.92
  4. Step 4: Simplify right side
    252,548.60x = 48,571,177,996.60
  5. Step 5: Solve for x
    x = 48,571,177,996.60/252,548.60
  6. Step 6: Final answer
    x = 192,324.08

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1.5x scale

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.