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Finding the Fourth Proportional to 116,374.63, 160,597.10 and 66,073.63

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Solution

The fourth proportional to 116,374.63, 160,597.10 and 66,073.63 is: 91,181.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,374.63 : 160,597.10 = 66,073.63 : x
  2. Step 2: Convert to fraction form
    116,374.63/160,597.10 = 66,073.63/x
  3. Step 3: Cross multiply
    116,374.63x = 160,597.10 × 66,073.63
  4. Step 4: Simplify right side
    116,374.63x = 10,611,232,632.61
  5. Step 5: Solve for x
    x = 10,611,232,632.61/116,374.63
  6. Step 6: Final answer
    x = 91,181.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.