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Finding the Fourth Proportional to 252,767.93, 348,821.79 and 139,590.68

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Solution

The fourth proportional to 252,767.93, 348,821.79 and 139,590.68 is: 192,636.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,767.93 : 348,821.79 = 139,590.68 : x
  2. Step 2: Convert to fraction form
    252,767.93/348,821.79 = 139,590.68/x
  3. Step 3: Cross multiply
    252,767.93x = 348,821.79 × 139,590.68
  4. Step 4: Simplify right side
    252,767.93x = 48,692,271,388.00
  5. Step 5: Solve for x
    x = 48,692,271,388.00/252,767.93
  6. Step 6: Final answer
    x = 192,636.27

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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.