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Finding the Fourth Proportional to 243,389.76, 335,970.24 and 183,135.56

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Solution

The fourth proportional to 243,389.76, 335,970.24 and 183,135.56 is: 252,796.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,389.76 : 335,970.24 = 183,135.56 : x
  2. Step 2: Convert to fraction form
    243,389.76/335,970.24 = 183,135.56/x
  3. Step 3: Cross multiply
    243,389.76x = 335,970.24 × 183,135.56
  4. Step 4: Simplify right side
    243,389.76x = 61,528,098,045.73
  5. Step 5: Solve for x
    x = 61,528,098,045.73/243,389.76
  6. Step 6: Final answer
    x = 252,796.58

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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.