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Finding the Fourth Proportional to 341,279.10, 511,699.92 and 141,737.22

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Solution

The fourth proportional to 341,279.10, 511,699.92 and 141,737.22 is: 212,514.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,279.10 : 511,699.92 = 141,737.22 : x
  2. Step 2: Convert to fraction form
    341,279.10/511,699.92 = 141,737.22/x
  3. Step 3: Cross multiply
    341,279.10x = 511,699.92 × 141,737.22
  4. Step 4: Simplify right side
    341,279.10x = 72,526,924,135.02
  5. Step 5: Solve for x
    x = 72,526,924,135.02/341,279.10
  6. Step 6: Final answer
    x = 212,514.99

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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.