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Finding the Fourth Proportional to 253,185.21, 379,815.62 and 93,248.96

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Solution

The fourth proportional to 253,185.21, 379,815.62 and 93,248.96 is: 139,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,185.21 : 379,815.62 = 93,248.96 : x
  2. Step 2: Convert to fraction form
    253,185.21/379,815.62 = 93,248.96/x
  3. Step 3: Cross multiply
    253,185.21x = 379,815.62 × 93,248.96
  4. Step 4: Simplify right side
    253,185.21x = 35,417,409,191.43
  5. Step 5: Solve for x
    x = 35,417,409,191.43/253,185.21
  6. Step 6: Final answer
    x = 139,887.35

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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.