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Finding the Fourth Proportional to 351,514.42, 527,259.48 and 98,796.88

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Solution

The fourth proportional to 351,514.42, 527,259.48 and 98,796.88 is: 148,191.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,514.42 : 527,259.48 = 98,796.88 : x
  2. Step 2: Convert to fraction form
    351,514.42/527,259.48 = 98,796.88/x
  3. Step 3: Cross multiply
    351,514.42x = 527,259.48 × 98,796.88
  4. Step 4: Simplify right side
    351,514.42x = 52,091,591,574.42
  5. Step 5: Solve for x
    x = 52,091,591,574.42/351,514.42
  6. Step 6: Final answer
    x = 148,191.91

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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.