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Finding the Fourth Proportional to 243,889.48, 336,558.89 and 134,994.03

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Solution

The fourth proportional to 243,889.48, 336,558.89 and 134,994.03 is: 186,287.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,889.48 : 336,558.89 = 134,994.03 : x
  2. Step 2: Convert to fraction form
    243,889.48/336,558.89 = 134,994.03/x
  3. Step 3: Cross multiply
    243,889.48x = 336,558.89 × 134,994.03
  4. Step 4: Simplify right side
    243,889.48x = 45,433,439,209.47
  5. Step 5: Solve for x
    x = 45,433,439,209.47/243,889.48
  6. Step 6: Final answer
    x = 186,287.00

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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.