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Finding the Fourth Proportional to 252,568.94, 348,544.42 and 139,390.88

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Solution

The fourth proportional to 252,568.94, 348,544.42 and 139,390.88 is: 192,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,568.94 : 348,544.42 = 139,390.88 : x
  2. Step 2: Convert to fraction form
    252,568.94/348,544.42 = 139,390.88/x
  3. Step 3: Cross multiply
    252,568.94x = 348,544.42 × 139,390.88
  4. Step 4: Simplify right side
    252,568.94x = 48,583,911,331.69
  5. Step 5: Solve for x
    x = 48,583,911,331.69/252,568.94
  6. Step 6: Final answer
    x = 192,359.01

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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.