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Finding the Fourth Proportional to 252,730.62, 348,764.07 and 139,550.46

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Solution

The fourth proportional to 252,730.62, 348,764.07 and 139,550.46 is: 192,577.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,730.62 : 348,764.07 = 139,550.46 : x
  2. Step 2: Convert to fraction form
    252,730.62/348,764.07 = 139,550.46/x
  3. Step 3: Cross multiply
    252,730.62x = 348,764.07 × 139,550.46
  4. Step 4: Simplify right side
    252,730.62x = 48,670,186,399.97
  5. Step 5: Solve for x
    x = 48,670,186,399.97/252,730.62
  6. Step 6: Final answer
    x = 192,577.32

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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.