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Finding the Fourth Proportional to 229,111.34, 343,207.13 and 116,787.02

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Solution

The fourth proportional to 229,111.34, 343,207.13 and 116,787.02 is: 174,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,111.34 : 343,207.13 = 116,787.02 : x
  2. Step 2: Convert to fraction form
    229,111.34/343,207.13 = 116,787.02/x
  3. Step 3: Cross multiply
    229,111.34x = 343,207.13 × 116,787.02
  4. Step 4: Simplify right side
    229,111.34x = 40,082,135,655.48
  5. Step 5: Solve for x
    x = 40,082,135,655.48/229,111.34
  6. Step 6: Final answer
    x = 174,946.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.