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Finding the Fourth Proportional to 357,212.58, 535,818.86 and 107,894.58

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Solution

The fourth proportional to 357,212.58, 535,818.86 and 107,894.58 is: 161,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,212.58 : 535,818.86 = 107,894.58 : x
  2. Step 2: Convert to fraction form
    357,212.58/535,818.86 = 107,894.58/x
  3. Step 3: Cross multiply
    357,212.58x = 535,818.86 × 107,894.58
  4. Step 4: Simplify right side
    357,212.58x = 57,811,950,855.78
  5. Step 5: Solve for x
    x = 57,811,950,855.78/357,212.58
  6. Step 6: Final answer
    x = 161,841.87

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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.