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Finding the Fourth Proportional to 73,110.46, 100,886.80 and 41,282.50

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Solution

The fourth proportional to 73,110.46, 100,886.80 and 41,282.50 is: 56,966.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,110.46 : 100,886.80 = 41,282.50 : x
  2. Step 2: Convert to fraction form
    73,110.46/100,886.80 = 41,282.50/x
  3. Step 3: Cross multiply
    73,110.46x = 100,886.80 × 41,282.50
  4. Step 4: Simplify right side
    73,110.46x = 4,164,859,321
  5. Step 5: Solve for x
    x = 4,164,859,321/73,110.46
  6. Step 6: Final answer
    x = 56,966.67

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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.