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Finding the Fourth Proportional to 252,883.93, 348,986.88 and 139,713.97

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Solution

The fourth proportional to 252,883.93, 348,986.88 and 139,713.97 is: 192,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,883.93 : 348,986.88 = 139,713.97 : x
  2. Step 2: Convert to fraction form
    252,883.93/348,986.88 = 139,713.97/x
  3. Step 3: Cross multiply
    252,883.93x = 348,986.88 × 139,713.97
  4. Step 4: Simplify right side
    252,883.93x = 48,758,342,482.71
  5. Step 5: Solve for x
    x = 48,758,342,482.71/252,883.93
  6. Step 6: Final answer
    x = 192,809.18

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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.