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Finding the Fourth Proportional to 355,231.96, 532,848.28 and 99,054.30

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Solution

The fourth proportional to 355,231.96, 532,848.28 and 99,054.30 is: 148,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,231.96 : 532,848.28 = 99,054.30 : x
  2. Step 2: Convert to fraction form
    355,231.96/532,848.28 = 99,054.30/x
  3. Step 3: Cross multiply
    355,231.96x = 532,848.28 × 99,054.30
  4. Step 4: Simplify right side
    355,231.96x = 52,780,910,717.36
  5. Step 5: Solve for x
    x = 52,780,910,717.36/355,231.96
  6. Step 6: Final answer
    x = 148,581.54

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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.