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Finding the Fourth Proportional to 252,924.56, 349,035.18 and 139,746.50

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Solution

The fourth proportional to 252,924.56, 349,035.18 and 139,746.50 is: 192,849.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,924.56 : 349,035.18 = 139,746.50 : x
  2. Step 2: Convert to fraction form
    252,924.56/349,035.18 = 139,746.50/x
  3. Step 3: Cross multiply
    252,924.56x = 349,035.18 × 139,746.50
  4. Step 4: Simplify right side
    252,924.56x = 48,776,444,781.87
  5. Step 5: Solve for x
    x = 48,776,444,781.87/252,924.56
  6. Step 6: Final answer
    x = 192,849.78

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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.